CN112252201A - Prestressed anchorage utensil is used in bridge construction - Google Patents
Prestressed anchorage utensil is used in bridge construction Download PDFInfo
- Publication number
- CN112252201A CN112252201A CN202011377276.3A CN202011377276A CN112252201A CN 112252201 A CN112252201 A CN 112252201A CN 202011377276 A CN202011377276 A CN 202011377276A CN 112252201 A CN112252201 A CN 112252201A
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- Prior art keywords
- platform
- steel strand
- installation cover
- reinforcing
- mounting
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
- E04C5/08—Members specially adapted to be used in prestressed constructions
- E04C5/12—Anchoring devices
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a prestressed anchorage device for bridge building construction, which comprises a steel strand, a corrugated pipe, an installation sleeve, a knob, a stud, a mobile station, a connecting assembly, an installation cover, a reinforcing station, a fixed station and a spiral rib, wherein the steel strand is fixedly connected with the corrugated pipe; the bellows is connected with the installation cover end connection, the steel strand wires run through bellows and installation cover, the double-screw bolt is along vertically setting up, the vertical one end of double-screw bolt rotates with the installation cover to be connected, the vertical other end of double-screw bolt is connected with the knob, the double-screw bolt rotates to be set up on the installation cover, double-screw bolt and mobile station threaded connection, the coaxial setting of installation cover is sheathe in the installation, the vertical regulation passageway that is provided with in edge on the installation cover, the regulation passageway evenly is provided with a plurality ofly around the installation cover, coupling assembling is provided with the multiunit, coupling assembling and regulation passageway one-to-one, coupling assembling includes. The invention can conveniently adjust the tensioning degree of the steel strand and ensure the prestress and the service life of the steel strand.
Description
Technical Field
The invention relates to the technical field of bridge construction tools, in particular to a prestressed anchorage device for bridge building construction.
Background
The anchorage is suitable for anchorage for prestressed stretching of concrete in engineering construction. Generally, the method is often used in bridge construction, the positioning is carried out in advance, then concrete is poured and buried at two ends of the concrete, namely two ends of a corrugated pipe, and the end faces are arranged for the stabilizing effect of a jack during tensioning.
Most of existing prestressed anchorage devices use oil pressure to tension steel strands, but after long-time use, the steel strands are easy to rebound, so that the prestress loss is caused, and the service life of the bridge is shortened.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the prestressed anchorage device for bridge building construction, which can conveniently adjust the tensioning degree of the steel strand and ensure the prestress and the service life of the steel strand.
In order to achieve the purpose, the invention is realized by the following technical scheme: a prestressed anchorage device for bridge building construction comprises a steel strand, a corrugated pipe, an installation sleeve, a knob, a stud, a mobile station, a connecting assembly, an installation cover, a reinforcing station, a fixed station and a spiral rib;
the corrugated pipe is connected with the end part of the installation sleeve, the steel strand penetrates through the corrugated pipe and the installation sleeve, the stud is longitudinally arranged, one longitudinal end of the stud is rotatably connected with the installation sleeve, the other longitudinal end of the stud is connected with the knob, the stud is rotatably arranged on the installation cover, the stud is in threaded connection with the mobile station, the installation cover is coaxially arranged on the installation sleeve, the installation cover is longitudinally provided with a plurality of adjusting channels, the adjusting channels are uniformly arranged around the installation cover, the connecting components are provided with a plurality of groups, the connecting components are in one-to-one correspondence with the adjusting channels, each connecting component comprises a connecting plate and a connecting platform, two ends of the connecting plate are respectively connected with the mobile station and the connecting platform, the connecting plate is in sliding connection with the installation cover, the connecting plate penetrates through the adjusting channels, the connecting platforms are connected with the steel strand, the reinforcing platform and the fixing platform are, the spiral muscle is evenly provided with a plurality ofly around consolidating the platform center pin.
In order to better realize the invention, a first folding curtain is connected between one longitudinal end of the adjusting channel and one longitudinal end of the connecting plate, a second folding curtain is connected between the other longitudinal end of the adjusting channel and the other longitudinal end of the connecting plate, the first folding curtain and the second folding curtain are both of pleated structures, and the widths of the first folding curtain and the second folding curtain are equal to the width of the adjusting channel.
In order to better realize the invention, a first mounting groove is further arranged on the mounting sleeve, and one end of the mounting cover, which is far away from the knob, is embedded in the first mounting groove.
In order to better implement the invention, further, a fixing ring is coaxially arranged on the inner circumferential surface of the mounting sleeve, and a through hole for passing through the steel strand is arranged on the fixing ring.
In order to better realize the invention, the outer peripheral surface of the reinforcing platform comprises a first circular truncated cone inclined surface, a cylindrical surface and a second circular truncated cone inclined surface which are sequentially connected, the inner diameters of the first circular truncated cone inclined surface and the second circular truncated cone inclined surface are gradually reduced along the direction far away from the cylindrical surface, a plurality of reinforcing rings are coaxially arranged on the outer peripheral surface of the reinforcing platform, and a filling groove is arranged between each two adjacent reinforcing rings and the reinforcing platform.
In order to better implement the invention, further, a second mounting groove is arranged at one end face of the reinforcing platform in the longitudinal direction, and the mounting sleeve comprises a clamping platform part for being embedded into the second mounting groove.
In order to better realize the invention, a connecting column is further connected between the reinforcing table and the fixing table, and the connecting column is an elastic column.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the invention can conveniently adjust the tensioning degree of the steel strand, and ensure the prestress and the service life of the steel strand;
(2) when the tensioning degree of the steel strands needs to be adjusted, the adjustment can be realized by rotating the knob, the knob drives the stud to rotate, the stud drives the mobile station to move, the mobile station drives the connecting plate and the connecting station to move, the connecting plate plays a role in guiding, the tensioning degrees of the steel strands can be synchronously adjusted, and the adjustment process is very convenient;
(3) when the concrete is poured into the reinforcing platform, the reinforcing platform is filled with the concrete, the reinforcing platform can prevent the reinforcing platform from shaking caused by the falling of the edge of the concrete, and the mounting firmness is improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective sectional view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is an enlarged view of the structure at B in fig. 2.
Wherein: 1-steel strand wires, 2-bellows, 3-installation cover, 301-first mounting groove, 4-solid fixed ring, 5-knob, 6-double-screw bolt, 7-mobile station, 8-connecting plate, 9-joint table, 10-installation cover, 101-regulation passageway, 11-reinforcement table, 111-reinforcement ring, 112-second mounting groove, 12-spliced pole, 13-fixed station, 14-spiral muscle.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the definitions of "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly including one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
the main structure of the present embodiment, as shown in fig. 1 to 4, includes a steel strand 1, a corrugated pipe 2, a mounting sleeve 3, a knob 5, a stud 6, a mobile station 7, a connection assembly, a mounting cover 10, a reinforcing station 11, a fixed station 13, and a spiral rib 14;
the corrugated pipe 2 is connected with the end part of the installation sleeve 3, the steel strand 1 penetrates through the corrugated pipe 2 and the installation sleeve 3, the stud 6 is longitudinally arranged, the longitudinal end of the stud 6 is rotatably connected with the installation sleeve 3, the longitudinal other end of the stud 6 is connected with the knob 5, the stud 6 is rotatably arranged on the installation cover 10, the stud 6 is in threaded connection with the mobile station 7, the installation cover 10 is coaxially arranged on the installation sleeve 3, the installation cover 10 is longitudinally provided with an adjusting channel 101, the adjusting channel 101 is uniformly provided with a plurality of groups around the installation cover 10, the connecting assembly is provided with a plurality of groups, the connecting assembly corresponds to the adjusting channel 101 one by one, the connecting assembly comprises a connecting plate 8 and a connecting station 9, two ends of the connecting plate 8 are respectively connected with the mobile station 7 and the connecting station 9, the connecting plate 8 is in sliding connection with the installation cover 10, the connecting plate 8 penetrates through the adjusting channel 101, reinforce platform 11 and fixed station 13 and all coaxial setting on the installation cover 3 outer peripheral face, spiral muscle 14 both ends are connected with reinforcing platform 11 and fixed station 13 respectively, and spiral muscle 14 evenly is provided with a plurality ofly around reinforcing platform 11 center pin. The tensioning degree of the steel strand 1 can be conveniently adjusted, and the prestress and the service life of the steel strand 1 are ensured; when the tensioning degree of steel strand wires needs to be adjusted, the knob 5 can be rotated, the knob 5 drives the stud 6 to rotate, the stud 6 drives the mobile station 7 to move, the mobile station 7 drives the connecting plate 8 and the connecting station 9 to move, the connecting plate 8 plays a role in guiding, the tensioning degree of a plurality of steel strand wires 1 can be synchronously adjusted, and the adjusting process is very convenient. When the concrete is poured into the invention, the concrete is filled on the reinforcing platform 11, and the reinforcing platform 11 can prevent the invention from shaking caused by the falling of the edge of the concrete, thereby improving the firmness of installation.
Example 2:
on the basis of the above embodiment, in this embodiment, further, a first folding curtain is connected between the longitudinal end of the adjusting channel 101 and the longitudinal end of the connecting plate 8, a second folding curtain is connected between the longitudinal end of the adjusting channel 101 and the longitudinal end of the connecting plate 8, the first folding curtain and the second folding curtain are both of a pleated structure, the widths of the first folding curtain and the second folding curtain are equal to the width of the adjusting channel 101, and a shielding effect is achieved. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 3:
on the basis of the above embodiment, in the present embodiment, further, the first mounting groove 301 is provided on the mounting sleeve 3, and one end of the mounting cover 10, which is far away from the knob 5, is embedded in the first mounting groove 301, so as to position the mounting process, and improve the mounting firmness. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 4:
in this embodiment, on the basis of the above embodiment, further, a fixing ring 4 is coaxially disposed on an inner circumferential surface of the mounting sleeve 3, and the fixing ring 4 is provided with a through hole for passing through the steel strand 1, so as to facilitate the installation of the steel strand 1. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 5:
on the basis of the above embodiment, in this embodiment, further, the outer peripheral surface of the reinforcing platform 11 includes a first circular truncated cone inclined surface, a cylindrical surface and a second circular truncated cone inclined surface which are connected in sequence, inner diameters of the first circular truncated cone inclined surface and the second circular truncated cone inclined surface are both gradually reduced along a direction away from the cylindrical surface, a plurality of reinforcing rings 111 are coaxially arranged on the outer peripheral surface of the reinforcing platform 11, and a filling groove is arranged between each adjacent reinforcing ring 111 and the reinforcing platform 11, so that concrete is conveniently filled, and firmness is improved. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 6:
in this embodiment, on the basis of the above embodiment, further, the second installation groove 112 is disposed on the end surface of one side in the longitudinal direction of the reinforcing platform 11, and the installation sleeve 3 includes a clamping platform portion for being embedded in the second installation groove 112, so as to improve the firmness after filling concrete. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 7:
in this embodiment, on the basis of the above embodiment, a connection column 12 is further connected between the reinforcing platform 11 and the fixed platform 13, and the connection column 12 is an elastic column, so that the pouring positions of the reinforcing platform 11 and the fixed platform 13 can be adjusted conveniently. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
It is understood that the operation principle and operation process of the prestressed anchorage structure according to an embodiment of the present invention, such as the steel strand 1 and the corrugated pipe 2, are well known to those skilled in the art and will not be described in detail herein.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The pre-stressed anchor for bridge building construction is characterized by comprising a steel strand (1), a corrugated pipe (2), an installation sleeve (3), a knob (5), a stud (6), a mobile platform (7), a connecting assembly, an installation cover (10), a reinforcing platform (11), a fixed platform (13) and a spiral rib (14);
the corrugated pipe (2) is connected with the end part of the mounting sleeve (3), the steel strand (1) penetrates through the corrugated pipe (2) and the mounting sleeve (3), the stud (6) is longitudinally arranged, the longitudinal end of the stud (6) is rotatably connected with the mounting sleeve (3), the longitudinal other end of the stud (6) is connected with the knob (5), the stud (6) is rotatably arranged on the mounting cover (10), the stud (6) is in threaded connection with the moving platform (7), the mounting cover (10) is coaxially arranged on the mounting sleeve (3), the mounting cover (10) is longitudinally provided with a plurality of adjusting channels (101), the adjusting channels (101) are uniformly arranged around the mounting cover (10), the connecting assembly is provided with a plurality of groups, the connecting assemblies correspond to the adjusting channels (101) one by one, each connecting assembly comprises a connecting plate (8) and a connecting platform (9), two ends of the connecting plate (8) are respectively connected with the moving platform (7) and the connecting platform (, connecting plate (8) and installation cover (10) sliding connection, adjusting channel (101) are run through in connecting plate (8), connect platform (9) and steel strand wires (1) and be connected, consolidate platform (11) and fixed station (13) and be the loop configuration, consolidate platform (11) and fixed station (13) and all coaxial setting on the installation cover (3) outer peripheral face, spiral muscle (14) both ends are connected with consolidating platform (11) and fixed station (13) respectively, spiral muscle (14) evenly are provided with a plurality ofly around consolidating platform (11) center pin.
2. The prestressed anchorage device for bridge construction according to claim 1, wherein a first folding curtain is connected between one longitudinal end of the adjusting channel (101) and one longitudinal end of the connecting plate (8), a second folding curtain is connected between the other longitudinal end of the adjusting channel (101) and the other longitudinal end of the connecting plate (8), the first folding curtain and the second folding curtain are both of pleated structures, and the width of the first folding curtain and the width of the second folding curtain are equal to the width of the adjusting channel (101).
3. The prestressed anchorage for bridge construction according to claim 1, wherein the mounting sleeve (3) is provided with a first mounting groove (301), and one end of the mounting cover (10) far away from the knob (5) is embedded in the first mounting groove (301).
4. The prestressed anchorage device for bridge construction according to claim 1, wherein the mounting sleeve (3) has a fixing ring (4) coaxially disposed on the inner circumferential surface thereof, and the fixing ring (4) has a through hole for passing the steel strand (1).
5. The prestressed anchorage device for bridge construction according to claim 1, wherein the reinforcing platform (11) comprises a first circular truncated cone inclined surface, a cylindrical surface and a second circular truncated cone inclined surface which are connected in sequence, the inner diameters of the first circular truncated cone inclined surface and the second circular truncated cone inclined surface are gradually reduced along the direction away from the cylindrical surface, a plurality of reinforcing rings (111) are coaxially arranged on the outer circumferential surface of the reinforcing platform (11), and a filling groove is arranged between each adjacent reinforcing ring (111) and the reinforcing platform (11).
6. The prestressed anchorage for bridge construction according to claim 1, wherein a second mounting groove (112) is provided at a longitudinal side end surface of the reinforcing platform (11), and the mounting sleeve (3) includes a clamping platform portion for being inserted into the second mounting groove (112).
7. The prestressed anchorage device for bridge construction according to claim 1, wherein a connecting column (12) is connected between the reinforcing platform (11) and the fixing platform (13), and the connecting column (12) is an elastic column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011377276.3A CN112252201B (en) | 2020-11-30 | 2020-11-30 | Prestressed anchorage utensil is used in bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011377276.3A CN112252201B (en) | 2020-11-30 | 2020-11-30 | Prestressed anchorage utensil is used in bridge construction |
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| Publication Number | Publication Date |
|---|---|
| CN112252201A true CN112252201A (en) | 2021-01-22 |
| CN112252201B CN112252201B (en) | 2022-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011377276.3A Active CN112252201B (en) | 2020-11-30 | 2020-11-30 | Prestressed anchorage utensil is used in bridge construction |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160099151A (en) * | 2015-02-11 | 2016-08-22 | (주)성환이앤씨 | Girder with anchorage device for tendon axis displacement control |
| KR200483082Y1 (en) * | 2016-12-13 | 2017-03-31 | 유원경 | Steel strand anchorage device for improving concreate placement quality |
| CN209798509U (en) * | 2019-03-25 | 2019-12-17 | 天津豪越预应力有限公司 | Steel bar anchorage device for prefabricating bridge plate |
| CN110593489A (en) * | 2019-10-12 | 2019-12-20 | 中国十七冶集团有限公司 | Low-retraction prestressed tendon anchorage system and use method |
| CN211142836U (en) * | 2019-11-01 | 2020-07-31 | 李金花 | Prestressed anchorage utensil is used in bridge construction |
-
2020
- 2020-11-30 CN CN202011377276.3A patent/CN112252201B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160099151A (en) * | 2015-02-11 | 2016-08-22 | (주)성환이앤씨 | Girder with anchorage device for tendon axis displacement control |
| KR200483082Y1 (en) * | 2016-12-13 | 2017-03-31 | 유원경 | Steel strand anchorage device for improving concreate placement quality |
| CN209798509U (en) * | 2019-03-25 | 2019-12-17 | 天津豪越预应力有限公司 | Steel bar anchorage device for prefabricating bridge plate |
| CN110593489A (en) * | 2019-10-12 | 2019-12-20 | 中国十七冶集团有限公司 | Low-retraction prestressed tendon anchorage system and use method |
| CN211142836U (en) * | 2019-11-01 | 2020-07-31 | 李金花 | Prestressed anchorage utensil is used in bridge construction |
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| Publication number | Publication date |
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| CN112252201B (en) | 2022-07-19 |
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