CN116241097A - Uniform reinforcing device for avoiding deformation of prestress FRP cloth in stretching process - Google Patents
Uniform reinforcing device for avoiding deformation of prestress FRP cloth in stretching process Download PDFInfo
- Publication number
- CN116241097A CN116241097A CN202310163812.7A CN202310163812A CN116241097A CN 116241097 A CN116241097 A CN 116241097A CN 202310163812 A CN202310163812 A CN 202310163812A CN 116241097 A CN116241097 A CN 116241097A
- Authority
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- China
- Prior art keywords
- frp cloth
- roller
- cloth
- frp
- tensioning
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Links
- 239000004744 fabric Substances 0.000 title claims abstract description 110
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 4
- 239000003292 glue Substances 0.000 claims description 21
- 230000002787 reinforcement Effects 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 82
- 239000011151 fibre-reinforced plastic Substances 0.000 description 82
- 239000004567 concrete Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 229920006332 epoxy adhesive Polymers 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000012761 high-performance material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E04G23/0203—Arrangements for filling cracks or cavities in building constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H16/00—Unwinding, paying-out webs
- B65H16/02—Supporting web roll
- B65H16/06—Supporting web roll both-ends type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/02—Advancing webs by friction roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
- B65H26/04—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs for variation in tension
Abstract
The invention discloses a uniform reinforcing device for avoiding deformation of prestressed FRP cloth in the stretching process, which comprises a movable bracket and a telescopic component; the two sides of the movable support are driven to move by the crawler belt; FRP cloth wind-up rolls are coaxially arranged between a group of thrust wheels of the two tracks, which are close to the driving wheels; one end of the FRP cloth is wound on the FRP cloth winding roller, and the other end of the FRP cloth is fixed at a structural crack through the fixing component; a roller is arranged between a group of thrust wheels of the two tracks, which are close to the guide wheels, and the height of the roller is adaptively adjusted through a compensation component; one end of the telescopic component is rotatably arranged at one side of the movable support, the other end of the telescopic component is provided with a tensioning roller, and a pressure sensor for determining the tensioning force of the FRP cloth is arranged on the tensioning roller. The invention can uniformly reinforce, has good reinforcing effect and realizes laying while moving.
Description
Technical Field
The invention relates to the field of prestressed reinforced concrete, in particular to a uniform reinforcing device for preventing deformation of prestressed FRP cloth in the stretching process.
Background
As a novel high-performance material, the Fiber Reinforced Polymer (FRP) has the characteristics of light weight, high strength, fatigue resistance, corrosion resistance, water resistance, good adhesive property, convenient construction and the like, provides a wider space for the development of constructional engineering, has been widely used for reinforcing various hydraulic concrete structures containing defects, and greatly prolongs the service life of the concrete structure. The FRP cloth reinforcing method is to bond FRP on the surface of a concrete structure by using an epoxy resin adhesive, so that the FRP and the concrete work together, the stress under the work is reduced, and the local stress amplitude of the concrete is reduced by delaying the development of cracks and reducing the width of the cracks, thereby improving the mechanical property of the hydraulic concrete structure and achieving the purpose of reinforcing the defective concrete structure. Because hydraulic concrete structure is large-scale structural engineering generally, the consumptive material is more, and crack width is great, in order to fully improve FRP's utilization ratio, prestressing force FRP reinforcement method is compared traditional ordinary paste reinforcement method can fully play carbon fiber light, high-strength characteristics, increases the rigidity of concrete after the reinforcement effectively, delays the roof beam fracture, reduces FRP cloth early emergence and peels off the possibility of damage.
At present, when the prestressed FRP reinforced concrete is developed, many FRP is stretched straight in advance and then stuck to a crack, so that uneven stress of FRP cloth is easily caused, particularly when the FRP cloth is relatively long, deformation is easily found in the middle, if the FRP cloth is stuck in a segmented manner, the prestress of the whole bonding section cannot be ensured to be uniform, the previous cloth can be torn again because the next cloth is stretched in advance after being reinforced, the reinforcing effect is affected, meanwhile, the FRP is usually required to be laid after one end is walked for a distance in the prior art, and time and labor are wasted.
Therefore, the uniform reinforcing device which can uniformly reinforce, has good reinforcing effect, can be paved while moving and can avoid deformation of the prestress FRP cloth in the stretching process is provided.
Disclosure of Invention
In view of the technical problems in the background art, the invention provides the uniform reinforcing device which can uniformly reinforce, has a good reinforcing effect, can be paved while moving, and can avoid deformation of the prestress FRP cloth in the stretching process. In order to achieve the above purpose, the present invention provides the following technical solutions:
a uniform reinforcing device for avoiding deformation of prestressed FRP cloth in the stretching process comprises a movable bracket and a telescopic component;
the two sides of the movable support are driven to move by the crawler belt;
FRP cloth wind-up rolls are coaxially arranged between a group of thrust wheels of the two tracks, which are close to the driving wheels; one end of the FRP cloth is wound on the FRP cloth winding roller, and the other end of the FRP cloth is fixed at a structural crack through the fixing component; a roller is arranged between a group of thrust wheels of the two tracks, which are close to the guide wheels, and the height of the roller is adaptively adjusted through a compensation component;
one end of the telescopic component is rotatably arranged at one side of the movable support, the other end of the telescopic component is provided with a roller, and a pressure sensor for determining the tension of the FRP cloth is arranged on the roller;
when the tensioning roller applies tensioning force to the FRP cloth, the telescopic component stretches from an initial state to the state that the tensioning roller is in contact with the FRP cloth, when the numerical value of the pressure sensor is within a reasonable range, the telescopic component stops stretching and then rotates, the tensioning roller presses one section of FRP cloth on a structural crack, and then the telescopic component rotates to continuously apply tensioning force to the next section of FRP cloth; when the movable support continues to move to apply tension to the next section of FRP cloth, the roller is abutted against the section of FRP cloth.
Preferably, two ends of the roller are respectively coaxially provided with a rotating shaft;
the number of the compensation components is two; the two compensation components are respectively arranged on the corresponding thrust wheels; the compensation component comprises a supporting block and a spring; the supporting blocks are arranged on the inner side walls of the corresponding supporting wheels, and clamping grooves capable of accommodating the rotating shafts to move up and down are formed in the supporting blocks; one end of the spring is arranged on the corresponding rotating shaft, and the other end of the spring is arranged on the end face of the top of the clamping groove of the corresponding supporting block.
Preferably, the uniform reinforcing device for avoiding deformation of the prestress FRP cloth in the stretching process further comprises a glue outlet box;
the glue outlet box is arranged at the outer side of the movable bracket and close to the position of the driving wheel; the opening of the glue outlet box faces upwards, and a binder is arranged in the glue outlet box; the lower roller is rotatably arranged in the glue outlet box, and an upper roller used for smearing FRP cloth and abutting against the lower roller is rotatably arranged at the upper end of the lower roller and close to the position of the FRP cloth wind-up roller.
Preferably, the glue outlet box can move horizontally.
Preferably, the adhesive is an epoxy resin.
Preferably, the telescopic assembly adopts an electric telescopic rod; the fixed end of the electric telescopic rod is hinged to the movable support through a hinge, and the tensioning roller is mounted at the free end of the electric telescopic rod.
Preferably, the fixing assembly adopts rivets.
The beneficial effects of the invention are as follows:
1. according to the invention, the FRP cloth wind-up roller is coaxially connected with the thrust wheel at one end of the crawler belt, so that the FRP cloth is automatically paved while the movable support moves, time and labor are saved, and the efficiency is improved;
2. the telescopic component capable of rotating is arranged in the FRP cloth tensioning device, one end of the telescopic component is provided with the tensioning roller for tensioning the FRP cloth, and the tensioning roller is provided with the pressure sensor, so that uniform tensioning force can be applied to the FRP cloth in the moving process, and the deformation of the long-section FRP cloth caused by uneven stress is avoided;
3. according to the invention, the roller is arranged in the middle of the thrust wheel at the other end of the crawler belt, and in the moving process, the roller not only can strengthen the first section of FRP cloth again, but also presses the first section of FRP cloth when tension force is applied to the second section of FRP cloth, so that the first section of FRP cloth is prevented from being influenced to be torn again;
4. according to the invention, the height of the roller is adaptively adjusted through the compensation component, so that the roller always keeps abutting with the FRP cloth at the position of the ground bulge;
5. according to the invention, the upper roller and the lower roller which are in contact with each other are arranged, so that the upper roller smears the FRP cloth with the adhesive, and the adhesive outlet box is continuously close to the FRP cloth conveying roller along with the continuous reduction of the shaft diameter on the FRP cloth conveying roller, so that the upper roller is always kept in contact with the FRP cloth, and the purpose of gluing while moving is realized.
Drawings
FIG. 1 is a schematic diagram of a uniform reinforcing device for avoiding deformation of prestressed FRP cloth during stretching;
FIG. 2 is a schematic diagram of the structure of the glue dispensing box according to the present invention;
FIG. 3 is a schematic view of a telescopic assembly according to the present invention;
FIG. 4 is a schematic installation view of a uniform reinforcement device of the present invention that avoids deformation during stretching of a prestressed FRP cloth;
fig. 5 is a schematic structural view of a support block according to the present invention.
In the figure, 1-movable support, 2-caterpillar, 3-thrust wheel, 4-FRP cloth, 5-FRP cloth wind-up roll, 6-rivet, 7-leading wheel, 8-driving wheel, 9-roller, 10-electric telescopic rod, 11-tensioning roller, 12-rotating shaft, 13-spring, 14-support block, 1401-clamping groove, 15-glue outlet box, 16-lower roller, 17-upper roller and 18-hinge.
Detailed Description
Embodiment one:
referring to fig. 1 to 5, a uniform reinforcement device for avoiding deformation of prestressed FRP cloth during stretching process comprises a movable support 1 and a telescopic assembly;
the two sides of the movable bracket 1 are driven to move by the crawler belt 2; the track 2 comprises a driving wheel 8, a number of thrust wheels 3 and a guiding wheel 7.
FRP cloth wind-up rolls 5 are coaxially arranged between a group of thrust wheels 3 of the two tracks 2, which are close to the driving wheels 8; one end of the FRP cloth 4 is wound on the FRP cloth winding roller 5, and the other end of the FRP cloth is fixed at a structural crack through a fixing component; a roller 9 is arranged between a group of thrust wheels 3 of the two tracks 2 close to the guide wheels 7, and the height of the roller 9 is adaptively adjusted through a compensation assembly;
one end of the telescopic component is rotatably arranged at one side of the movable bracket 1, the other end of the telescopic component is provided with a tensioning roller 11, and a pressure sensor for determining the tensioning force of the FRP cloth 4 is arranged on the tensioning roller 11;
when the roller applies tensioning force to the FRP cloth 4, the telescopic component stretches from an initial state to the state that the tensioning roller 11 is in contact with the FRP cloth 4, when the pressure sensor value is within a reasonable range, the telescopic component stops stretching and then rotates, the tensioning roller 11 presses one section of FRP cloth 4 on a structural crack, and the telescopic component rotates to continuously apply tensioning force to the next section of FRP cloth 4; when the moving frame 1 continues to move to apply tension to the next section of FRP cloth 4, the drum 9 collides with the section of FRP cloth 4.
Embodiment two:
on the basis of the first embodiment, in order to realize the function that the height of the roller 9 is self-adaptively adjusted through the ground bulge and always keeps abutting against the FRP cloth 4, two ends of the roller 9 adopted by the invention are respectively coaxially provided with a rotating shaft 12;
the number of the compensation components is two; the two compensation components are respectively arranged on the corresponding thrust wheels 3; as shown in fig. 5, the compensation assembly comprises a support block 14 and a spring 13; the supporting blocks 14 are arranged on the inner side walls of the corresponding supporting wheels 3, and clamping grooves 1401 which can accommodate the up-and-down movement of the rotating shafts 12 are arranged on the supporting blocks 14; one end of the spring 13 is installed on the corresponding rotating shaft 12, and the other end is installed on the top end face of the clamping groove 1401 of the corresponding supporting block 14.
Embodiment III:
on the basis of the first embodiment, in order to realize the function of adhering the FRP cloth 4 to the structural crack while laying, the invention also comprises a glue outlet box 15 which can horizontally move along the movement direction of the movable bracket 1;
the glue outlet box 15 is arranged at the outer side of the movable bracket 1 and close to the position of the driving wheel 8; the opening of the glue outlet box 15 is upward, and the glue outlet box 15 is internally provided with a binder; the lower roller 16 is rotatably arranged in the glue outlet box 15, and an upper roller 17 which is used for smearing the FRP cloth 4 and is in contact with the lower roller 16 is rotatably arranged at the upper end of the lower roller 16 and close to the FRP cloth wind-up roller 5.
Embodiment four:
on the basis of the first embodiment, the glue outlet box 15 and the compensation component are included; the adhesive adopts epoxy resin.
The telescopic component adopts an electric telescopic rod 10; the fixed end of the electric telescopic rod 10 is hinged on the movable bracket 1 through a hinge 18, and the free end of the electric telescopic rod 10 is provided with a roller.
The fixing assembly adopts rivets 6.
As shown in fig. 1 to 5, the working principle and flow of the invention are as follows:
firstly, fix the one end of FRP cloth 4 in crack department with rivet 6, both sides track 2 drive movable support 1 begins the walking, FRP cloth wind-up roll 5 rotates along with corresponding thrust wheel 3 and begins out the cloth, go out the cloth, lower gyro wheel 16 rotates friction and drives upper gyro wheel 17 adhesion and have epoxy adhesive, upper gyro wheel 17 scribbles epoxy adhesive on FRP cloth 4 from the top, FRP cloth 4 adhesion is on structural crack department, electric telescopic handle 10 stretches to tensioning gyro wheel 11 and FRP cloth 4 are inconsistent and apply the tensioning force to FRP cloth 4 from initial state, the tensioning force of FRP cloth 4 is confirmed through the pressure sensor on tensioning gyro wheel 11, after the pressure sensor numerical value is located within reasonable scope, electric telescopic handle 10 stop stretching, electric telescopic handle 10 stiff end is anticlockwise rotated along with hinge 18, tensioning gyro wheel 11 presses FRP cloth 4 on structural crack back a period, electric telescopic handle 10 is clockwise rotation around hinge 18 again to next section FRP cloth 4, simultaneously, in the course of moving, FRP cloth 4 adhesion is on structural crack department is strengthened again to first section FRP cloth 4 step by step gradually, simultaneously, the stretching force is stopped to FRP cloth 4 is stretched to the second section when the stretching force begins to begin to be exerted on the stretching handle 4 again in a reasonable way when the stretching handle is located at the time of stretching handle 11 again, the step is repeated, the stretching force is stopped when the stretching handle is reached to the stretching handle is at the second time of stretching handle is at the beginning to the beginning, the stretching handle is at the time is at the beginning to the time when the stretching handle is at the counter-down to the time of the counter-clockwise.
When the two rotating shafts 12 are positioned on the bottom surface inside the clamping groove 1401, the two rotating shafts 12 are coaxial with the corresponding thrust wheels 3, the springs 13 are in an original state of being neither stretched nor compressed, when the ground bumps against the protrusions, the roller 9 moves upwards, the springs 13 compress, the rotating shafts 12 move upwards along the corresponding clamping groove 1401, and the roller 9 always keeps abutting against the FRP cloth 4.
Along with the continuous reduction of the shaft diameter on the FRP cloth 4 conveying roller, the glue outlet box 15 is continuously close to the FRP cloth 4 conveying roller so as to ensure that the upper roller 17 always keeps abutting against the FRP cloth 4.
Claims (7)
1. Uniform reinforcement device for avoiding deformation of prestress FRP cloth in stretching process, and is characterized in that: comprises a movable bracket and a telescopic component;
the two sides of the movable support are driven to move by the crawler belt;
FRP cloth wind-up rolls are coaxially arranged between a group of thrust wheels of the two tracks, which are close to the driving wheels; one end of the FRP cloth is wound on the FRP cloth winding roller, and the other end of the FRP cloth is fixed at a structural crack through the fixing component; a roller is arranged between a group of thrust wheels of the two tracks, which are close to the guide wheels, and the height of the roller is adaptively adjusted through a compensation component;
one end of the telescopic component is rotatably arranged at one side of the movable support, the other end of the telescopic component is provided with a tensioning roller, and a pressure sensor for determining the tensioning force of the FRP cloth is arranged on the tensioning roller;
when the tensioning roller applies tensioning force to the FRP cloth, the telescopic component stretches until the roller is in contact with the FRP cloth, when the numerical value of the pressure sensor is within a reasonable range, the telescopic component stops stretching and then rotates, the tensioning roller presses one section of FRP cloth to a structural crack, and then the telescopic component rotates to continuously apply tensioning force to the next section of FRP cloth; when the movable support continues to move to apply tension to the next section of FRP cloth, the roller is abutted against the section of FRP cloth.
2. The uniform reinforcement device for avoiding deformation of prestressed FRP cloth during stretching of the cloth according to claim 1, wherein:
the two ends of the roller are respectively coaxially provided with a rotating shaft;
the number of the compensation components is two; the two compensation components are respectively arranged on the corresponding thrust wheels; the compensation component comprises a supporting block and a spring; the supporting blocks are arranged on the inner side walls of the corresponding supporting wheels, and clamping grooves capable of accommodating the rotating shafts to move up and down are formed in the supporting blocks; one end of the spring is arranged on the corresponding rotating shaft, and the other end of the spring is arranged on the end face of the top of the clamping groove of the corresponding supporting block.
3. The uniform reinforcement device for avoiding deformation of prestressed FRP cloth during stretching of the cloth according to claim 1, wherein: the glue discharging box is also included;
the glue outlet box is arranged at the outer side of the movable bracket and close to the position of the driving wheel; the opening of the glue outlet box faces upwards, and a binder is arranged in the glue outlet box; the lower roller is rotatably arranged in the glue outlet box, and an upper roller used for smearing FRP cloth and abutting against the lower roller is rotatably arranged at the upper end of the lower roller and close to the position of the FRP cloth wind-up roller.
4. A uniform reinforcing apparatus for avoiding deformation during stretching of prestressed FRP cloth according to claim 3, wherein: the glue outlet box can horizontally move along the moving direction of the moving support.
5. A uniform reinforcing apparatus for avoiding deformation during stretching of prestressed FRP cloth according to claim 3, wherein: the adhesive adopts epoxy resin.
6. The uniform reinforcement device for avoiding deformation of prestressed FRP cloth during stretching of the cloth according to claim 1, wherein:
the telescopic component adopts an electric telescopic rod; the fixed end of the electric telescopic rod is hinged to the movable support through a hinge, and the tensioning roller is mounted at the free end of the electric telescopic rod.
7. The uniform reinforcement device for avoiding deformation of prestressed FRP cloth during stretching of the cloth according to claim 1, wherein: the fixing component adopts rivets.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310163812.7A CN116241097B (en) | 2023-02-24 | 2023-02-24 | Uniform reinforcing device for avoiding deformation of prestress FRP cloth in stretching process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310163812.7A CN116241097B (en) | 2023-02-24 | 2023-02-24 | Uniform reinforcing device for avoiding deformation of prestress FRP cloth in stretching process |
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Publication Number | Publication Date |
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CN116241097A true CN116241097A (en) | 2023-06-09 |
CN116241097B CN116241097B (en) | 2024-02-02 |
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CN202310163812.7A Active CN116241097B (en) | 2023-02-24 | 2023-02-24 | Uniform reinforcing device for avoiding deformation of prestress FRP cloth in stretching process |
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US6464811B1 (en) * | 1998-02-26 | 2002-10-15 | Eidgenössiche Materialprüfungs-und Forschungsanstalt EMPA | Method and device for applying pretensed tension-proof reinforcing strips to a construction |
CN2712994Y (en) * | 2004-05-21 | 2005-07-27 | 清华大学 | Carbon fiber cloth prestressed tensioner |
WO2011066798A1 (en) * | 2009-12-03 | 2011-06-09 | 北京特希达技术研发有限公司 | Anchoring method for external bonding and reinforcing technique with prestressed fiber cloth |
CN204571347U (en) * | 2015-04-14 | 2015-08-19 | 沈阳工业大学 | Prestressed carbon cloth construction reaction frame tensioning equipment |
CN209620453U (en) * | 2019-01-29 | 2019-11-12 | 井冈山大学 | A kind of gravity type roller bearing rolling apparatus for pasting carbon cloth on roofing floor |
CN111946090A (en) * | 2020-08-20 | 2020-11-17 | 上海大学 | CFRP cloth material concrete beam prestressing force reinforcing apparatus |
CN113047656A (en) * | 2021-03-26 | 2021-06-29 | 广州市胜特建筑科技开发有限公司 | A top formula prestressing force reinforcing machine for building structure restores and consolidates field |
CN213571328U (en) * | 2020-08-28 | 2021-06-29 | 佛山市南海区展闳机械有限公司 | High accuracy is from type paper coating machine |
CN113775198A (en) * | 2021-09-10 | 2021-12-10 | 中国十七冶集团有限公司 | Width measurement repairing device for preventing and treating large-volume concrete cracks and operation method |
CN217205539U (en) * | 2022-04-27 | 2022-08-16 | 中控建设(天津)有限公司 | Emergent maintenance device of roofing construction |
-
2023
- 2023-02-24 CN CN202310163812.7A patent/CN116241097B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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US6464811B1 (en) * | 1998-02-26 | 2002-10-15 | Eidgenössiche Materialprüfungs-und Forschungsanstalt EMPA | Method and device for applying pretensed tension-proof reinforcing strips to a construction |
CN2712994Y (en) * | 2004-05-21 | 2005-07-27 | 清华大学 | Carbon fiber cloth prestressed tensioner |
WO2011066798A1 (en) * | 2009-12-03 | 2011-06-09 | 北京特希达技术研发有限公司 | Anchoring method for external bonding and reinforcing technique with prestressed fiber cloth |
CN204571347U (en) * | 2015-04-14 | 2015-08-19 | 沈阳工业大学 | Prestressed carbon cloth construction reaction frame tensioning equipment |
CN209620453U (en) * | 2019-01-29 | 2019-11-12 | 井冈山大学 | A kind of gravity type roller bearing rolling apparatus for pasting carbon cloth on roofing floor |
CN111946090A (en) * | 2020-08-20 | 2020-11-17 | 上海大学 | CFRP cloth material concrete beam prestressing force reinforcing apparatus |
CN213571328U (en) * | 2020-08-28 | 2021-06-29 | 佛山市南海区展闳机械有限公司 | High accuracy is from type paper coating machine |
CN113047656A (en) * | 2021-03-26 | 2021-06-29 | 广州市胜特建筑科技开发有限公司 | A top formula prestressing force reinforcing machine for building structure restores and consolidates field |
CN113775198A (en) * | 2021-09-10 | 2021-12-10 | 中国十七冶集团有限公司 | Width measurement repairing device for preventing and treating large-volume concrete cracks and operation method |
CN217205539U (en) * | 2022-04-27 | 2022-08-16 | 中控建设(天津)有限公司 | Emergent maintenance device of roofing construction |
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