CN113137007A - Carbon fiber plate anchorage device - Google Patents
Carbon fiber plate anchorage device Download PDFInfo
- Publication number
- CN113137007A CN113137007A CN202110460099.3A CN202110460099A CN113137007A CN 113137007 A CN113137007 A CN 113137007A CN 202110460099 A CN202110460099 A CN 202110460099A CN 113137007 A CN113137007 A CN 113137007A
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- Prior art keywords
- plate
- anchor backing
- backing plate
- tensioning
- assembly
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- 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
-
- 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
- E04C5/122—Anchoring devices the tensile members are anchored by wedge-action
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to a carbon fiber plate anchor, which comprises an anchor backing plate and a tensioning plate movably connected with the anchor backing plate through a guide assembly, wherein the guide assembly is used for keeping the tensioning plate and the anchor backing plate coaxially connected, a spring for buffering the tensioning force is arranged between the tensioning plate and the anchor backing plate, the tensioning plate is connected with an adjusting plate through a fine adjustment assembly for adjusting the preset tensioning force of the spring, a tightening assembly for tightening a steel bar penetrating through the adjusting plate, the tensioning plate and the anchor backing plate is fixedly arranged on the adjusting plate, a plurality of extension assemblies are also arranged on the anchor backing plate at equal intervals and are connected with the guide assembly through a transmission mechanism, when the tensioning plate moves towards the anchor backing plate, the guide assembly stretches out and draws back to drive the extension assemblies to extend out of the anchor backing plate through the transmission mechanism, the invention has novel design, simple structure and strong practicability.
Description
Technical Field
The invention relates to the field of anchors, in particular to a carbon fiber plate anchor.
Background
The anchorage device is a permanent anchorage device used in prestressed concrete, and is an anchorage tool which is used in a post-tensioning structure or a member and is also called as a prestressed anchorage device for keeping the tension of a prestressed tendon and transmitting the tension to the interior of the concrete;
when the anchorage device is used, the concrete structure at the stress position is prevented from being damaged, a spiral rib needs to be arranged, the spiral rib is arranged in concrete, and cannot be taken out after the concrete is formed, so that certain waste is caused, the carbon fiber plate anchorage device is provided, and the bearing area of the stress point is increased while the stress point concrete structure is protected.
Disclosure of Invention
The invention aims to provide a carbon fiber plate anchorage device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a carbon fiber plate anchorage device comprises an anchor backing plate and a tensioning plate movably connected with the anchor backing plate through a guide assembly, wherein the guide assembly is used for keeping the tensioning plate and the anchor backing plate coaxially connected, a spring used for buffering tensioning force is installed between the tensioning plate and the anchor backing plate, the tensioning plate is connected with an adjusting plate through a fine adjustment assembly used for adjusting the preset tensioning force of the spring, and a tightening assembly used for tightening steel bars penetrating through the adjusting plate, the tensioning plate and the anchor backing plate is fixedly installed on the adjusting plate;
still the equidistance is provided with a plurality of extension subassemblies on the anchor backing plate, just the extension subassembly pass through drive mechanism with the direction subassembly is connected, works as the tensioning plate orientation when the anchor backing plate removes, the direction subassembly is flexible to drive through drive mechanism the extension subassembly stretches out the anchor backing plate.
As a further scheme of the invention: the guide assembly comprises a telescopic sleeve fixedly mounted on the anchor backing plate and a telescopic rod movably mounted in the telescopic sleeve through a limiting assembly and fixedly connected with the tensioning plate;
the limiting assembly is used for limiting the expansion plate and the expansion sleeve in the same axial direction, and comprises a limiting strip fixedly mounted on the expansion rod and a limiting groove matched with and fixedly arranged on the limiting strip in the expansion sleeve.
As a still further scheme of the invention: the fine setting subassembly is installed including rotating runner on the tensioning plate and with runner fixed connection's accurate lead screw and with accurate lead screw thread fit's a thread bush, a thread bush connection sets up the tensioning plate with be used for adjusting between the anchor backing plate the extending structure of spring preset tension.
As a still further scheme of the invention: the extension structure comprises two connecting rods, wherein one ends of the two connecting rods are movably mounted on the adjusting plate and the tensioning plate respectively, the other ends of the two connecting rods are hinged with each other, and the hinged parts of the connecting rods are movably connected with the first threaded sleeve.
As a still further scheme of the invention: the tightening assembly comprises two working clamping pieces which are symmetrically arranged and matched with the adjusting plate to fix one end of the steel bar.
As a still further scheme of the invention: the drive mechanism includes fixed mounting and is in rack plate on the telescopic link and with rack plate meshing and rotate and install last gear of telescope tube and through the chain with gear connection is used for the drive extend the bevel gear group of subassembly motion.
As a still further scheme of the invention: the bevel gear set comprises a first bevel gear which is connected with the gear through the chain and is rotatably installed in the anchor backing plate, and a second bevel gear which is meshed with the first bevel gear and is rotatably installed in the anchor backing plate;
and a rotating shaft is fixedly arranged in the anchor backing plate and connected with the second bevel gear.
As a still further scheme of the invention: the extension assembly comprises a screw rod movably connected with the rotating shaft and a second threaded sleeve in threaded fit with the screw rod, and the screw rod is located on two sides of the rotating shaft and is provided with a limiting ring for limiting the screw rod to slide.
As a still further scheme of the invention: extend the subassembly still include with No. two threaded sleeve fixed connection and activity set up anchor backing plate edge is used for the increase anchor backing plate bearing area's extension piece, one side movable mounting of extension piece has a plurality of steel pulleys.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, when in use, under the action of external force, the reinforcing steel bar is stretched, one end of the reinforcing steel bar is fixed under the action of the tightening assembly to drive the tightening plate to move towards the anchor backing plate, the spring is compressed, and the guide assembly contracts, so that the transmission mechanism drives the extension assembly to extend outwards to increase the volume bearing area of the anchor backing plate and protect the structure of the concrete to be protected from being damaged.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a carbon fiber plate anchor.
Fig. 2 is an enlarged schematic view of the structure at a in fig. 1.
FIG. 3 is a schematic view of the connection of an adjustment plate, a working clip and a reinforcement in an embodiment of the carbon fiber plate anchor.
FIG. 4 is a schematic view of a working jaw in an embodiment of a carbon fiber panel anchor.
FIG. 5 is a schematic structural view of a second threaded sleeve, an extension block, and a steel pulley in an embodiment of a carbon fiber plate anchor.
In the figure: the device comprises a tensioning plate 1, a rotating wheel 2, a precision screw rod 3, a threaded sleeve 4, a connecting rod 5, an adjusting plate 6, a working clamping piece 7, a reinforcing steel bar 8, a telescopic rod 9, a limiting strip 10, a telescopic sleeve 11, a rack plate 12, a gear 13, a chain 14, a bevel gear 15-I, a bevel gear 16-II, a limiting ring 17, a fixed shaft 18, a screw rod 19, a threaded sleeve 20-II, an extension block 21, a steel pulley 22, a spring 23 and an anchor backing plate 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 5, in an embodiment of the present invention, the carbon fiber plate anchor includes an anchor backing plate 24 and a tension plate 1 movably connected to the anchor backing plate 24 through a guide assembly, the guide assembly is configured to keep the tension plate 1 and the anchor backing plate 24 coaxially connected, a spring 23 for buffering a tension force is installed between the tension plate 1 and the anchor backing plate 24, the tension plate 1 is connected to an adjustment plate 6 through a fine adjustment assembly for adjusting a preset tension force of the spring 23, and a tightening assembly for tightening a steel bar 8 penetrating through the adjustment plate 6, the tension plate 1 and the anchor backing plate 24 is fixedly installed on the adjustment plate 6;
still the equidistance is provided with a plurality of extension subassemblies on the anchor backing plate 24, just the extension subassembly pass through drive mechanism with the direction subassembly is connected, works as tensioning plate 1 orientation when anchor backing plate 24 removes, the direction subassembly is flexible to drive through drive mechanism the extension subassembly stretches out anchor backing plate 24.
In the embodiment of the invention, when the tension device is used, one end of the steel bar 8 is fixed under the action of the tightening assembly, when an external force acts on the steel bar 8, the tension plate 1 is driven to move relative to the anchor backing plate 24, the spring 23 is compressed to play a role of buffering to protect a concrete structure at a stressed position, meanwhile, the guide assembly drives the extension assembly to move through the transmission mechanism to increase the bearing area of the anchor backing plate 24, and when the tightening force of the steel bar 8 is about to reach a preset value, the fine adjustment assembly can be used for adjusting the tightening force to reach the preset value;
it should be further noted that the adjusting plate 6, the tightening plate 1 and the anchor backing plate 24 provided in the present invention are all made of carbon fiber.
As an embodiment of the present invention, the guiding assembly comprises a telescopic sleeve 11 fixedly installed on the anchor backing plate 24 and a telescopic rod 9 movably installed in the telescopic sleeve 11 through a limiting assembly and fixedly connected with the tensioning plate 1;
the limiting assembly is used for limiting the expansion plate 9 and the expansion sleeve 11 in the same axial direction, and comprises a limiting strip 10 fixedly mounted on the expansion rod 9 and a limiting groove matched with and fixedly arranged on the limiting strip 10 in the expansion sleeve 10.
In the embodiment of the invention, when the reinforcing steel bar 8 is stretched by an external force to drive the tensioning plate 1 to move relative to the anchor backing plate 24, at this time, the telescopic rod 9 moves inwards relative to the telescopic sleeve 11, and simultaneously, under the action of the limiting strip 10 and the limiting groove, the telescopic rod 9 and the telescopic sleeve 11 move on the same axis.
As an embodiment of the present invention, the fine adjustment assembly includes a rotating wheel 2 rotatably mounted on the tensioning plate 1, a precision screw rod 3 fixedly connected to the rotating wheel 2, and a first threaded sleeve 4 in threaded engagement with the precision screw rod 3, and the first threaded sleeve 4 is connected to an extension structure disposed between the tensioning plate 1 and the anchor backing plate 24 for adjusting a preset tensioning force of the spring 23.
In the embodiment of the invention, when the device is used, the rotating wheel 2 is rotated to drive the precision screw rod 3 to rotate, so that the first threaded sleeve 4 moves in the axial direction of the precision screw rod 3 to drive the extension structure to move, the distance between the tensioning plate 1 and the anchor backing plate 24 is adjusted, the elastic force value of the spring 23 is adjusted, and when the tightening force of the steel bar 8 is about to reach a preset value, the tightening force of the steel bar 8 can reach the best working state.
As an embodiment of the present invention, the extending structure includes two connecting rods 5, one end of each connecting rod is movably mounted on the adjusting plate 6 and the tensioning plate 1, the other ends of the connecting rods are hinged to each other, and the hinged position of the connecting rod 5 is movably connected to the first threaded sleeve 4.
In the embodiment of the invention, when the first threaded sleeve 4 moves, the distance between the tensioning plate 1 and the anchor backing plate 24 is adjusted through the connecting rod 5, the elastic force value of the spring 23 is adjusted, and when the tightening force of the steel bar 8 is about to reach a preset value, the tightening force of the steel bar 8 can reach the best working state.
As an embodiment of the present invention, the tightening assembly includes two working clips 7 symmetrically disposed and cooperating with the adjusting plate 6 for fixing one end of the reinforcing bar 8.
In the embodiment of the invention, when in use, the working clamping piece 7 is wrapped at one end of the steel bar 8 and is matched with the tightening plate to fix the steel bar 8;
it should be noted that the fixing of one end of the steel bar 8 is not limited to the use of the working clamping pieces 7 and the tightening plate 1, but can also be achieved by direct fixing through bolts.
As an embodiment of the present invention, the transmission mechanism comprises a rack plate 12 fixedly mounted on the telescopic rod 9, a gear 13 engaged with the rack plate 12 and rotatably mounted on the telescopic sleeve 11, and a bevel gear set connected with the gear 13 through a chain 14 for driving the extension assembly to move.
In the embodiment of the invention, when the telescopic rod 9 moves relative to the telescopic sleeve 11, the rack plate 12 is driven to move, so that the gear 13 engaged with the rack plate 12 rotates, and the bevel gear set is driven to rotate by the chain 14.
As an embodiment of the present invention, the bevel gear set includes a first bevel gear 16 connected to the gear 13 through the chain 14 and rotatably installed in the anchor pad 24, and a second bevel gear 17 engaged with the first bevel gear 16 and rotatably installed in the anchor pad 24;
and a rotating shaft 18 is fixedly arranged in the anchor backing plate 24, and the rotating shaft 18 is connected with the second bevel gear 17.
In the embodiment of the invention, when the gear 13 rotates, the first bevel gear 16 is driven to rotate, so that the second bevel gear 17 meshed with the first bevel gear 16 rotates to drive the extension assembly to work.
As an embodiment of the present invention, the extending assembly includes a screw rod 19 movably connected to the rotating shaft 18 and a second threaded sleeve 20 in threaded fit with the screw rod 19, and two limiting rings 17 for limiting the screw rod 19 to slide are respectively installed on two sides of the rotating shaft 18 of the screw rod 19.
In the embodiment of the invention, when the second bevel gear 17 rotates, the screw rod 19 is driven to rotate, so that the second threaded sleeve 20 moves in the axial direction of the screw rod 19, and extension is realized.
As an embodiment of the present invention, the extension assembly further includes an extension block 21 fixedly connected to the second threaded sleeve 20 and movably disposed at an edge of the anchor pad 24 for increasing a bearing area of the anchor pad 24, and a plurality of steel pulleys 22 are movably mounted on one side of the extension block 21.
In the embodiment of the invention, when the second threaded sleeve 20 moves in the axial direction of the screw rod 19 in use, the extension block 21 is driven to extend outwards, and the extension block 21 is prevented from damaging the structure of concrete under the action of the steel pulley 22;
it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The carbon fiber plate anchorage device is characterized by comprising an anchor backing plate (24) and a tensioning plate (1) movably connected with the anchor backing plate (24) through a guide assembly, wherein the guide assembly is used for keeping the tensioning plate (1) and the anchor backing plate (24) coaxially connected, a spring (23) used for buffering tensioning force is installed between the tensioning plate (1) and the anchor backing plate (24), the tensioning plate (1) is connected with an adjusting plate (6) through a fine adjustment assembly used for adjusting the preset tensioning force of the spring (23), and a tightening assembly used for tightening a reinforcing steel bar (8) penetrating through the adjusting plate (6), the tensioning plate (1) and the anchor backing plate (24) is fixedly installed on the adjusting plate (6);
it is provided with a plurality of extension subassemblies to go back the equidistance on anchor backing plate (24), just extend the subassembly pass through drive mechanism with the direction subassembly is connected, works as tensioning plate (1) orientation when anchor backing plate (24) remove, the direction subassembly is flexible to drive through drive mechanism extend the subassembly and stretch out anchor backing plate (24).
2. The carbon fiber plate anchorage device according to claim 1, wherein the guide assembly comprises a telescopic sleeve (11) fixedly mounted on the anchor backing plate (24) and a telescopic rod (9) movably mounted in the telescopic sleeve (11) through a limiting assembly and fixedly connected with the tensioning plate (1);
the limiting assembly is used for limiting the expansion plate (9) and the expansion sleeve (11) in the same axial direction, and comprises a limiting strip (10) fixedly mounted on the expansion rod (9) and a limiting groove matched with and fixedly arranged on the limiting strip (10) in the expansion sleeve (10).
3. The carbon fiber plate anchorage device according to claim 1, wherein the fine adjustment assembly comprises a rotating wheel (2) rotatably mounted on the tensioning plate (1), a precision screw rod (3) fixedly connected with the rotating wheel (2), and a first threaded sleeve (4) in threaded fit with the precision screw rod (3), and the first threaded sleeve (4) is connected with an extension structure arranged between the tensioning plate (1) and the anchor backing plate (24) and used for adjusting the preset tensioning force of the spring (23).
4. The carbon fiber plate anchorage device according to claim 3, wherein the stretching structure comprises two connecting rods (5) with one ends respectively movably mounted on the adjusting plate (6) and the tensioning plate (1) and the other ends hinged to each other, and the hinged parts of the connecting rods (5) are movably connected with the first threaded sleeve (4).
5. A carbon fibre plate anchorage as claimed in claim 1, wherein the tightening assembly comprises two symmetrically arranged working jaws (7) cooperating with the adjustment plate (6) for securing one end of the reinforcing bar (8).
6. The carbon fiber plate anchorage device of claim 2, wherein the transmission mechanism comprises a rack plate (12) fixedly mounted on the telescopic rod (9), a gear (13) engaged with the rack plate (12) and rotatably mounted on the telescopic sleeve (11), and a bevel gear set connected with the gear (13) through a chain (14) for driving the extension assembly to move.
7. The carbon fiber plate anchorage device of claim 6, wherein the bevel gear set comprises a first bevel gear (16) connected with the gear (13) through the chain (14) and rotatably mounted in the anchor backing plate (24) and a second bevel gear (17) meshed with the first bevel gear (16) and rotatably mounted in the anchor backing plate (24), and the second bevel gear (17) is connected with the extension assembly;
and a rotating shaft (18) is fixedly installed in the anchor backing plate (24), and the rotating shaft (18) is connected with the second bevel gear (17).
8. The carbon fiber plate anchorage device of claim 7, wherein the extension assembly comprises a screw rod (19) movably connected with the rotating shaft (18) and a second threaded sleeve (20) in threaded fit with the screw rod (19), and two limiting rings (17) for limiting the screw rod (19) to slide are respectively installed on two sides of the rotating shaft (18) of the screw rod (19).
9. The carbon fiber plate anchorage device according to claim 8, wherein the extension assembly further comprises an extension block (21) fixedly connected with the second threaded sleeve (20) and movably arranged at the edge of the anchor backing plate (24) for increasing the bearing area of the anchor backing plate (24), and a plurality of steel pulleys (22) are movably arranged on one side of the extension block (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110460099.3A CN113137007A (en) | 2021-04-27 | 2021-04-27 | Carbon fiber plate anchorage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110460099.3A CN113137007A (en) | 2021-04-27 | 2021-04-27 | Carbon fiber plate anchorage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113137007A true CN113137007A (en) | 2021-07-20 |
Family
ID=76812353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110460099.3A Withdrawn CN113137007A (en) | 2021-04-27 | 2021-04-27 | Carbon fiber plate anchorage device |
Country Status (1)
| Country | Link |
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| CN (1) | CN113137007A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030553A (en) * | 2022-07-05 | 2022-09-09 | 王明明 | Prestressing force reinforced structure of building engineering |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4433832A1 (en) * | 1994-09-22 | 1996-03-28 | Dyckerhoff & Widmann Ag | Corrosion-protected tension member, primarily tendon for prestressed concrete without bond |
| CN102535755A (en) * | 2012-02-10 | 2012-07-04 | 柳州欧维姆机械股份有限公司 | Self-locked prestressed anchoring structure, vertical prestressed anchoring system and construction method |
| CN204139623U (en) * | 2014-09-15 | 2015-02-04 | 宁夏路桥工程股份有限公司 | A kind of new device about stretch-draw prestressing force carbon fiber board |
| CN108843039A (en) * | 2018-06-22 | 2018-11-20 | 北京建筑大学 | The method of pre-stressed carbon fiber plate reinforcement |
| CN111236653A (en) * | 2020-04-02 | 2020-06-05 | 吕路 | Construction engineering prestressed concrete construction equipment |
| CN211666092U (en) * | 2019-12-27 | 2020-10-13 | 广东合创工程总承包有限公司 | Prestressed reinforcement anchoring device |
-
2021
- 2021-04-27 CN CN202110460099.3A patent/CN113137007A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4433832A1 (en) * | 1994-09-22 | 1996-03-28 | Dyckerhoff & Widmann Ag | Corrosion-protected tension member, primarily tendon for prestressed concrete without bond |
| CN102535755A (en) * | 2012-02-10 | 2012-07-04 | 柳州欧维姆机械股份有限公司 | Self-locked prestressed anchoring structure, vertical prestressed anchoring system and construction method |
| CN204139623U (en) * | 2014-09-15 | 2015-02-04 | 宁夏路桥工程股份有限公司 | A kind of new device about stretch-draw prestressing force carbon fiber board |
| CN108843039A (en) * | 2018-06-22 | 2018-11-20 | 北京建筑大学 | The method of pre-stressed carbon fiber plate reinforcement |
| CN211666092U (en) * | 2019-12-27 | 2020-10-13 | 广东合创工程总承包有限公司 | Prestressed reinforcement anchoring device |
| CN111236653A (en) * | 2020-04-02 | 2020-06-05 | 吕路 | Construction engineering prestressed concrete construction equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030553A (en) * | 2022-07-05 | 2022-09-09 | 王明明 | Prestressing force reinforced structure of building engineering |
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Application publication date: 20210720 |
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