CN111608422B - Tensioning device for pasting fiber cloth on concrete beam column - Google Patents
Tensioning device for pasting fiber cloth on concrete beam column Download PDFInfo
- Publication number
- CN111608422B CN111608422B CN202010555023.4A CN202010555023A CN111608422B CN 111608422 B CN111608422 B CN 111608422B CN 202010555023 A CN202010555023 A CN 202010555023A CN 111608422 B CN111608422 B CN 111608422B
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- tensioning device
- tensioning
- fiber cloth
- beam column
- concrete beam
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000004744 fabric Substances 0.000 title claims abstract description 31
- 239000000835 fiber Substances 0.000 title claims abstract description 20
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000002689 soil Substances 0.000 abstract 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 13
- 239000004917 carbon fiber Substances 0.000 description 13
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 13
- 238000004873 anchoring Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/12—Mounting of reinforcing inserts; Prestressing
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
The invention discloses a tensioning device for sticking fiber cloth on a concrete beam column, which comprises a fixed frame and a tensioning device, wherein the fixed frame is connected to a vertical concrete column through a connecting bolt and an auxiliary fixed frame, and a nut matched with the connecting bolt is fixedly arranged at a corresponding position of the fixed frame; the tensioning device comprises a tensioning device shell, the tensioning device shell is connected with two sides of the fixed frame through symmetrically arranged screw nuts, and meanwhile, the lower end of the screw is connected with a lifting motor arranged on the fixed frame; the invention has the beneficial effects that: the automatic tensioning construction is realized; the automatic vertical lifting of the tensioning construction is realized; the stability in working is ensured; tension springback is prevented; the self-locking can ensure the stability of the tensioning device when the lifting is stopped, and the normal operation of construction cannot be influenced by automatic descending; the device can effectively ensure the reliability of the device arranged on the vertical mud-mixed soil column, and the whole device cannot fall.
Description
Technical Field
The invention relates to the field of concrete members, in particular to a tensioning device for adhering fiber cloth to a concrete beam column.
Background
The existing concrete reinforcing member is usually an independent member, according to the use requirement of the concrete member, particularly in a seawater environment for a long time, the concrete member is saturated by wave scouring, sea salt erosion, marine fouling organism corrosion and the like, the surface of the concrete member is usually coated with carbon fiber cloth, and the carbon fiber cloth is adhered to the surface of the concrete by using a resin adhesive so as to improve the bearing capacity of the member, thereby achieving the purposes of reinforcing and reinforcing the member and preventing the marine fouling organism corrosion; through retrieval, the prior art discloses (application number: CN201721675117.5) a tensioning device for n-shaped concrete member reinforced carbon fiber cloth, when the carbon fiber cloth 31 needs to be tensioned and adjusted, a wrench needs to be used for screwing and adjusting the locking nuts 24, the locking nuts 24 are arranged in two groups on the right side of the tensioning plate 23, which causes a problem of troublesome operation, in addition, the end beam column 12 has a certain height, and the carbon fiber reinforcement needs to be adjusted properly in the vertical direction, when the tensioning device in the prior art is used for carrying out carbon fiber reinforcement construction on the cross beam 11 at the top of the cross beam column, the tensioning cannot be carried out automatically, and the vertical adjustment cannot be carried out automatically, which brings great difficulty to the construction.
In order to solve the defects in the market at present, a tensioning device for sticking fiber cloth on a concrete beam column is provided to solve the problems.
Disclosure of Invention
The invention aims to overcome the defects in the background art and provides a tensioning device for adhering fiber cloth to a concrete beam column.
In order to achieve the purpose, the invention provides the following technical scheme: a tensioning device for sticking fiber cloth on a concrete beam column comprises a fixing frame and a tensioning device, wherein the fixing frame is connected to a vertical concrete column through a connecting bolt and an auxiliary fixing frame, a nut matched with the connecting bolt is fixedly arranged at a corresponding position of the fixing frame, and meanwhile, a certain distance is arranged between the fixing frame and the auxiliary fixing frame; the tensioning device comprises a tensioning device shell, the tensioning device shell is connected with two sides of the fixed frame through symmetrically arranged lead screw nuts, each lead screw nut comprises a lead screw rotatably arranged on the fixed frame and a nut fixedly arranged on one side of the tensioning device, the lead screw and the nut form a lead screw nut pair connection, and meanwhile, the lower end of the lead screw is connected with a lifting motor arranged on the fixed frame;
the tensioning device comprises a tensioning device shell, a tensioning device shell and a guide plate, wherein two sides of the tensioning device shell are symmetrically provided with upper rod bodies, one end of each upper rod body is provided with an anchoring plate, the other end of each upper rod body is connected with a screw rod through a coupling, a limiting block integrated with the tensioning device shell is arranged between the anchoring plate and the tensioning device shell, the upper rod bodies and the limiting blocks are in sliding connection, meanwhile, the part of each upper rod body located inside the tensioning device shell is connected with the guide plate, the guide plates are in sliding connection with two guide rods with a guiding effect, one end of each guide rod is fixedly arranged on the inner wall of the tensioning device shell, the other end of each guide rod is fixedly arranged on the fixed block, the fixed block is fixedly connected inside the tensioning device shell, the center of the fixed block is connected with a sleeve through a bearing, the other end of the sleeve is rotatably connected to the tensioning device shell through a fixedly connected rotating shaft through a bearing, and simultaneously, the sleeve pipe inside seted up with the internal thread that the screw rod cooperation is connected, the outside is provided with can synchronous rotation's worm wheel, the worm wheel below is equipped with the worm that can intermesh, the pivot of worm is passed through the bearing and is connected on the tensioning device casing, and one end passes through the shaft coupling and is connected with the rotation of tensioning motor, the tensioning motor sets up inside being fixed in the tensioning motor cover on the tensioning device casing.
Preferably, a sliding groove is fixedly arranged on the right side of the fixing frame, and a sliding block fixedly connected with the tensioning device shell is connected inside the sliding groove in a sliding mode.
Preferably, the sliding grooves and the sliding blocks are uniformly arranged and at least three groups of sliding blocks are arranged.
Preferably, the auxiliary fixing frames are at least two in the direction of the vertical concrete column.
Preferably, the two worms are coaxially arranged and synchronously rotate.
Preferably, the worm and the worm wheel are in self-locking engagement.
Preferably, the screw rod and the nut are in self-locking fit.
Preferably, the screw rod is matched with the internal thread arranged in the sleeve in a self-locking way.
Preferably, the bolt connection between the fixing frame and the auxiliary fixing frame is in a loose arrangement.
Compared with the prior art, the invention has the beneficial effects that:
1. the fiber cloth is tensioned or relaxed through the positive and negative rotation of the tensioning motor, so that the automatic tensioning construction is realized.
2. The lifting and the falling of the tensioning device are controlled by changing the output rotation of the lifting motor, so that the vertical lifting of the tensioning construction is automatically carried out.
3. Go up the body of rod when lateral shifting, through the deflector sliding connection above that on the guide bar, carry out spacing and direction to lateral shifting's the last body of rod, guarantee the stability of during operation.
4. The unidirectional worm drive is utilized, and the screw is matched with the internal thread arranged in the sleeve in a self-locking manner, so that tension rebound is prevented.
5. The self-locking matching of the screw rod and the nut can ensure the stability of the tensioning device when the tensioning device stops lifting, and the normal operation of construction cannot be influenced due to automatic descending.
6. The bolt connection between the fixing frame and the auxiliary fixing frame is loose, so that the reliability of the device arranged on the vertical concrete column can be effectively ensured, and the whole device cannot fall.
Drawings
FIG. 1 is a schematic top cross-sectional view of the inventive structure;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line B-B in FIG. 1;
FIG. 4 is a schematic left side view of the structure of the present invention;
FIG. 5 is a right side view of the present invention with the tensioning device removed;
FIG. 6 is a schematic diagram illustrating the upper rod and the lower rod moving leftward according to the present invention;
FIG. 7 is a schematic diagram of an embodiment of the present invention.
Wherein:
1. a fixed mount; 2. an auxiliary fixing frame; 3. a connecting bolt; 4. tensioning the device housing; 5. a limiting block; 6. An anchoring plate; 7. a rod body is arranged; 71. a screw; 8. a guide plate; 9. a guide bar; 10. a fixed block; 11. a sleeve; 12. a worm gear; 13. a worm; 14. tensioning the motor; 15. stretching a motor cover; 16. a nut; 17. a lead screw; 18. a slider; 19. a chute; 20. a lifting motor; 21. a vertical concrete column; 22. spanning the concrete beam; 23. carbon fiber cloth.
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.
Referring to fig. 1-4, the present invention provides a technical solution:
a tensioning device for sticking fiber cloth on a concrete beam column comprises a fixing frame 1 and a tensioning device, wherein the fixing frame 1 is connected to a vertical concrete column 21 through a connecting bolt 3 and an auxiliary fixing frame 2, a nut matched with the connecting bolt 3 is fixedly arranged at a corresponding position of the fixing frame 1, and meanwhile, a certain distance is arranged between the fixing frame 1 and the auxiliary fixing frame 2, so that the fixing frame and the vertical concrete column 21 can be more firmly connected; the tensioning device comprises a tensioning device shell 4, the tensioning device shell 4 is connected with two sides of a fixed frame 1 through symmetrically arranged lead screw nuts, namely a group of lead screw nuts are respectively arranged between the upper side and the lower side of the fixed frame 1 and the tensioning device shell 4 in the drawing 1, each lead screw nut comprises a lead screw 17 rotatably arranged on the fixed frame 1 and a nut 16 fixedly arranged on one side of the tensioning device shell 4, the lead screw 17 and the nut 16 form a lead screw nut pair connection, and meanwhile, the lower end of the lead screw is connected with a lifting motor 20 arranged on the fixed frame 1;
the inside symmetry in tensioning device casing 4 both sides is equipped with the body of rod 7, it is equipped with anchor plate 6 to go up body of rod 7 one end, and the other end has screw rod 71 through the coupling joint, and anchor plate 6 with be provided with stopper 5 as an organic whole with tensioning device casing 4 between the tensioning device casing 4, go up body of rod 7 with be sliding connection between stopper 5, simultaneously, the part that goes up body of rod 7 and be located tensioning device casing 4 inside is connected with deflector 8, deflector 8 sliding connection is on two guide bars 9 that have the guide effect, guide bar 9 one end is fixed to be set up on tensioning device casing 4 inner wall, and the other end is fixed to be set up on fixed block 10, fixed block 10 is fixed to be connected inside tensioning device casing 4, and fixed block 10 center department has sleeve pipe 11 through bearing connection, the other end of sleeve pipe 11 utilizes the bearing rotation to connect on tensioning device casing 4 through fixed connection's pivot, and simultaneously, sleeve pipe 11 inside seted up with the internal thread that screw rod 71 cooperation is connected, the outside is provided with can synchronous rotation worm wheel 12, worm wheel 12 below is equipped with worm 13 that can intermeshing, the pivot of worm 13 passes through the bearing and connects on tensioning device casing 4, and one end passes through the shaft coupling and is connected with tensioning motor 14 rotation, tensioning motor 14 sets up inside being fixed in tensioning motor cover 15 on tensioning device casing 4, through the worm drive that sets up, utilizes worm drive's unidirectionality, can effectively guarantee can not cause the stretch-draw resilience because of stopping of motor when its stretch-draw construction.
Preferably, a sliding groove 19 is fixedly arranged on the right side of the fixing frame 1, a sliding block 18 fixedly connected with the tensioning device shell 4 is connected in the sliding groove 19 in a sliding manner, and the sliding groove 19 and the sliding block 18 can be selected to have a dovetail groove structure, a square groove structure and the like according to actual conditions.
Preferably, the sliding grooves 19 and the sliding blocks 18 are uniformly arranged and have at least three groups, which is beneficial to ensuring the stability of the tensioning device.
Preferably, the auxiliary fixing frame 2 is provided with at least two in the direction of the vertical concrete column 21, so that the reliability of the installation and construction of the whole device can be effectively guaranteed.
Preferably, two worm 13 is coaxial setting, and synchronous rotation, and worm 13 can set up to the worm axle, also can be through other mode fixed connection in the pivot, and coaxial and synchronous rotation only needs a motor to drive to ensure the synchronism when two anchor boards 6 carry out the stretch-draw, can set up the bearing support at worm axle middle part according to actual implementation needs.
Preferably, the worm 13 and the worm wheel 12 are engaged by self-locking, which is parameter self-locking, that is, self-locking at rest.
Preferably, the screw 17 and the nut 16 are in self-locking fit, and the self-locking can ensure the stability of the tensioning device when the tensioning device stops lifting and cannot automatically descend to influence the normal operation of construction.
Preferably, the screw 71 is in self-locking fit with the internal thread arranged inside the sleeve 11, and the self-locking fit is utilized, so that tension rebound is avoided, or the tension rebound is caused due to the failure of the worm gear connection, and secondary protection is formed.
Preferably, the bolt connection between the fixing frame 1 and the auxiliary fixing frame 2 is loose, and the technical schemes of adding a spring gasket, using a locking nut and the like can be selected, so that the reliability of the device arranged on the vertical concrete column 21 can be effectively ensured, and the whole device cannot fall.
The use process comprises the following steps:
as shown in fig. 7, when in use, the two pieces of the invention are used synchronously, and are respectively fixed on two adjacent vertical concrete columns 21, carbon fiber cloth is pasted below the upper part of the column crossing the concrete beam 22, the end parts of two groups of anchoring plates 6 of the invention are respectively bonded with the two ends of the carbon fiber cloth 23, when the carbon fiber cloth needs to be tensioned and adjusted, a tensioning motor 14 is started, the tensioning motor 14 drives two groups of worms 13 to rotate, the worms 13 drive a worm wheel 12 to rotate, the worm wheel 12 drives a sleeve 11 to rotate, the sleeve 11 drives a screw 71 screwed in the sleeve to move transversely, the anchoring plates 6 move rightwards under the action of an upper rod body 7, and the fiber cloth is tensioned; when the carbon fiber cloth needs to be loosened and adjusted, the anchoring plate 6 moves leftwards under the action of the upper rod body 7 to loosen the carbon fiber cloth, and the tensioning motor 14 rotates forwards and backwards to tension or loosen the carbon fiber cloth, so that the structure is simple, and the operation is convenient and fast;
when the vertical direction adjustment is needed, the lifting motor 20 is started to drive the lead screw 17 to rotate, the lead screw 17 drives the nut 16 to vertically move, the nut 16 drives the tensioning device to vertically move, at the moment, the sliding groove 19 and the sliding block 18 play a role in guiding the vertical movement of the tensioning device, and the lifting and the falling of the tensioning device are controlled by changing the output transformation of the lifting motor, so that the whole process of the operation of the tensioning device for sticking the fiber cloth on the concrete beam column is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a concrete beam column pastes tensioning equipment of fibre cloth, includes mount (1) and tensioning equipment, its characterized in that: the fixing frame (1) is connected to the vertical concrete column (21) through the connecting bolt (3) and the auxiliary fixing frame (2), a nut matched with the connecting bolt (3) is fixedly arranged at a corresponding position of the fixing frame (1), and meanwhile, a certain distance is arranged between the fixing frame (1) and the auxiliary fixing frame (2); the tensioning device comprises a tensioning device shell (4), the tensioning device shell (4) is connected with two sides of a fixed frame (1) through symmetrically arranged screw nuts, each screw nut comprises a screw (17) rotatably arranged on the fixed frame (1) and a nut (16) fixedly arranged on one side of the tensioning device shell (4), the screw (17) and the nut (16) form a screw nut pair for connection, and meanwhile, the lower end of the screw is connected with a lifting motor (20) arranged on the fixed frame (1);
the inside symmetry in tensioning device casing (4) both sides is equipped with body of rod (7), it is equipped with anchor board (6) to go up body of rod (7) one end, and the other end has screw rod (71) through the coupling joint, and anchor board (6) with be provided with between tensioning device casing (4) stopper (5) as an organic whole with tensioning device casing (4), go up body of rod (7) with be sliding connection between stopper (5), simultaneously, the part that goes up body of rod (7) and is located tensioning device casing (4) inside is connected with deflector (8), deflector (8) sliding connection is on two guide bars (9) that have the guide effect, fixed the setting of guide bar (9) one end is on tensioning device casing (4) inner wall, and the other end is fixed to be set up on fixed block (10), fixed block (10) fixed connection is inside tensioning device casing (4), and fixed block (10) center department is connected with sleeve pipe (11) through the bearing, the other end of sleeve pipe (11) utilizes the bearing to rotate through fixed connection's pivot and connects on tensioning device casing (4), simultaneously, sleeve pipe (11) inside seted up with the internal thread that screw rod (71) cooperation is connected, the outside is provided with worm wheel (12) that can rotate in step, worm wheel (12) below is equipped with worm (13) that can intermeshing, the pivot of worm (13) is passed through the bearing and is connected on tensioning device casing (4), and one end passes through the shaft coupling and is connected with tensioning motor (14) rotation, tensioning motor (14) set up inside tensioning motor cover (15) on being fixed in tensioning device casing (4).
2. A tensioning device for sticking fiber cloth on a concrete beam column according to claim 1, which is characterized in that: a sliding groove (19) is fixedly arranged on the right side of the fixing frame (1), and a sliding block (18) fixedly connected with the tensioning device shell (4) is connected inside the sliding groove (19) in a sliding manner.
3. A tensioning device for sticking fiber cloth on a concrete beam column according to claim 2, which is characterized in that: the sliding grooves (19) and the sliding blocks (18) are uniformly arranged and at least three groups of sliding grooves are arranged.
4. A tensioning device for sticking fiber cloth on a concrete beam column according to claim 1, which is characterized in that: the auxiliary fixing frames (2) are at least two in the direction of the vertical concrete columns (21).
5. A tensioning device for sticking fiber cloth on a concrete beam column according to claim 1, which is characterized in that: the two worms (13) are coaxially arranged and synchronously rotate.
6. A tensioning device for sticking fiber cloth on a concrete beam column according to claim 1, which is characterized in that: the worm (13) and the worm wheel (12) are in self-locking engagement.
7. A tensioning device for sticking fiber cloth on a concrete beam column according to claim 1, which is characterized in that: the screw rod (17) is in self-locking fit with the nut (16).
8. A tensioning device for sticking fiber cloth on a concrete beam column according to claim 1, which is characterized in that: the screw rod (71) is matched with the internal thread arranged in the sleeve (11) in a self-locking way.
9. A tensioning device for sticking fiber cloth on a concrete beam column according to claim 1, which is characterized in that: the bolt connection between the fixed frame (1) and the auxiliary fixed frame (2) is in loose arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010555023.4A CN111608422B (en) | 2020-06-17 | 2020-06-17 | Tensioning device for pasting fiber cloth on concrete beam column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010555023.4A CN111608422B (en) | 2020-06-17 | 2020-06-17 | Tensioning device for pasting fiber cloth on concrete beam column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111608422A CN111608422A (en) | 2020-09-01 |
| CN111608422B true CN111608422B (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010555023.4A Expired - Fee Related CN111608422B (en) | 2020-06-17 | 2020-06-17 | Tensioning device for pasting fiber cloth on concrete beam column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111608422B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1278057B1 (en) * | 1995-03-22 | 1997-11-17 | Nicola Silvestri | SPRING DEVICE FOR THE GUIDED WINDING AND UNWINDING OF A CLOTH WRAPPED ON A CYLINDRICAL SUPPORT. |
| CN201695706U (en) * | 2010-06-29 | 2011-01-05 | 程东辉 | Tensioning device of prestress fiber cloth for reinforcing reinforced concrete column |
| CN104372956B (en) * | 2014-11-25 | 2016-05-11 | 中冶焦耐工程技术有限公司 | A kind of pre-stress stretching method of fibre sheet material |
| CN105569372B (en) * | 2016-02-04 | 2017-05-03 | 广东工业大学 | Device and method for enhancing composite reinforced concrete through prestress fiber |
| CN106284876B (en) * | 2016-10-26 | 2018-06-19 | 李朗谦 | A kind of building site extension sunshade awning |
| CN207568228U (en) * | 2017-12-06 | 2018-07-03 | 河北工程大学 | A kind of tensioning equipment for n shape concrete component reinforcing carbon cloths |
-
2020
- 2020-06-17 CN CN202010555023.4A patent/CN111608422B/en not_active Expired - Fee Related
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| CN111608422A (en) | 2020-09-01 |
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Inventor after: Liu Shuxian Inventor after: Yin Hang Inventor after: Zhang Guijun Inventor after: Lu Shasha Inventor after: Wang Hui Inventor after: Liu Shaodong Inventor after: Xie Yuhang Inventor after: Xu Hong Inventor before: Liu Shuxian Inventor before: Zhang Guijun Inventor before: Lu Shasha Inventor before: Wang Hui Inventor before: Liu Shaodong Inventor before: Xie Yuhang Inventor before: Xu Hong Inventor before: Yin Hang |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220301 |