CN107939063A - A kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth - Google Patents
A kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth Download PDFInfo
- Publication number
- CN107939063A CN107939063A CN201711272470.3A CN201711272470A CN107939063A CN 107939063 A CN107939063 A CN 107939063A CN 201711272470 A CN201711272470 A CN 201711272470A CN 107939063 A CN107939063 A CN 107939063A
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- China
- Prior art keywords
- carbon cloth
- quantitative mechanism
- concrete component
- sliding block
- tensioning
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- 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
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- 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)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth, quantitative mechanism, including the telescopic device that can be locked, the both ends of quantitative mechanism are equipped with the pressurizing unit that can be moved and lock to it；Fixing bracket, is fixed on quantitative mechanism upper surface vertically, for fixing carbon cloth volume；Tensioning mechanism, including the driving device set along quantitative mechanism length direction ecto-entad and slide clamping device, sliding clamping device includes the guide slide being fixed on quantitative mechanism and the tensioning sliding block coordinated in guide slide with it, tensioning sliding block lower end have make the gap that carbon cloth passes through, the inner side of tensioning sliding block is equipped with the fixed plate that can be moved and lock to it, the drive end of driving device and the contact outside of tensioning sliding block.The tensioner has stronger applicability, suitable in a variety of concrete component reinforcing carbon cloths, cable tensios control is accurate, and loss of prestress is small.
Description
Technical field
The present invention relates to concrete strengthening apparatus field, more particularly to it is a kind of for concrete component reinforcing carbon cloth
Prestressed stretch-draw equipment.
Background technology
However as the passage of building service life, the diseases such as concrete carbonization, steel bar corrosion much occur, cause
Building depression of bearing force, anti-seismic performance are degenerated.Carbon fibre reinforced composite (abbreviation CFRP), due to high-strength light
Feature, has been widely used the reinforcing in building structure in recent years, and wherein carbon cloth is usually secured at concrete
The surface of structure uses carbon cloth mounting method to improve its bearing capacity, simply polish groove to concrete surface,
Then carbon cloth is attached to the surface of concrete structure of polishing by binding agent, it is such a be adhered directly onto by carbon cloth it is mixed
The method on solidifying soil surface is right although the bearing capacity of concrete structure can be improved by not carrying out tensioning to carbon cloth
In the enhancing effect but unobvious of anti-earthquake ductility, there are can be more fluffy during stickup, the defects of easily coming off.And it is existing such as,
Notification number is the Chinese invention patent of CN101713253A, it discloses a kind of prestressed carbon cloth reinforced tensioner, though
Right carbon cloth produces prestressing force and is pasted on concrete component, can firm pasting, but being limited in that for it is only applicable to
The beams of concrete surface with end carriage is puted up, is not used to putting up for the positions such as crossbeam, metope, ground.
The content of the invention
The technical problems to be solved by the invention, which are to provide one kind, has stronger applicability, suitable in a variety of concrete
Strengthening member carbon cloth, cable tensios control is accurate, and a kind of loss of prestress small is for concrete component reinforcing carbon cloth
Prestressed stretch-draw equipment.
In order to solve the above technical problems, the technical solution used in the present invention is：
A kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth, it is characterised in that：Including for solid
Determine the fixing bracket, quantitative mechanism and stretching machine of carbon fiber yardage roll；
Quantitative mechanism, including the telescopic device that can be locked, the telescopic device are horizontally disposed with, its width is more than carbon fiber
The width of cloth, the both ends of the quantitative mechanism are equipped with the pressurizing unit that can be moved and lock to it；
Fixing bracket, is fixed on quantitative mechanism upper surface vertically, and the both ends of the carbon fiber yardage roll spool pass through rotation axis
Hold and be fixed on fixing bracket, and can be rotated along the axis of carbon fiber yardage roll, the axis and quantitative machine of the carbon fiber yardage roll
The length direction of structure is vertically arranged；
Tensioning mechanism, including the driving device and slip clamping device set along quantitative mechanism length direction ecto-entad,
The slip clamping device includes the guide slide being fixed on quantitative mechanism and the tensioning coordinated in guide slide with it
Sliding block, the guide slide have four right-angle structures, and the tensioning sliding block lower end has and makes the gap that carbon cloth passes through, institute
The inner side for stating tensioning sliding block is equipped with the fixed plate that can be moved and lock to it, and the length of the fixed plate is more than carbon cloth
Width, the driving device include the supporting rack being fixed on quantitative mechanism and the driver being movably arranged above supporting rack, institute
State the drive end of driver and the contact outside of tensioning sliding block, be again provided with making on support frame as described above carbon cloth extend through to
The gap of quantitative mechanism end.
Further technical solution is：The telescopic device includes interval and at least two groups of telescopic rods being arranged in parallel,
The telescopic rod includes the more tubular structures being coaxially socketed, and multiple locking perforation are axially arranged with the tubular structure, adjacent
Two sections of tubular structures by the first bolt through it is corresponding locking perforation locking, the both ends of the telescopic device are fixed with and stretch
Contracting bar encloses the connecting plate for forming rectangle.
Further technical solution is：The diameter at the telescopic rod both ends is identical, and end diameter for telescopic rod most
Major diameter.
Further technical solution is：The pressurizing unit includes stripper plate, and the length of the stripper plate is more than carbon fibre
The width of cloth is tieed up, the both ends of the stripper plate are threadedly coupled by the second bolt with telescopic device.
Further technical solution is：Screw thread is put by the 3rd bolt and tensioning sliding block and is connected in the both ends of the fixed plate
Connect.
Further technical solution is：What the guide slide was oppositely arranged before and after including two pieces of C-shaped in configuration simultaneously leads
To plate.
Further technical solution is：The bottom of the guide slide is fixed with the ball that can be rotated, the ball
It is in contact with tensioning sliding block.
Further technical solution is：Support frame as described above is including the base in n shape structures and is arranged on chassis outer side vertically
Baffle, be equipped with that width is more than carbon cloth width below the baffle crosses hole.
Further technical solution is：The driver is horizontally disposed jack, cylinder or oil cylinder.
It is using beneficial effect caused by above-mentioned technical proposal：
(1) tensioner can complete carbon cloth in horizontal local pretensioning, then cut carbon cloth and remove
Carbon fiber yardage roll and driver, to reduce the weight of the tensioner, strengthen its applicability, can hold tensioner frame
To adhesive surface, the concrete components such as crossbeam, metope, ground, cylinder are applicable to, it is time saving and energy saving, it is convenient and efficient, have higher
Utility value；
(2) tensioner uses completes on ground in face of carbon cloth tensioning, fix tightly carbon cloth both ends, then directly
Paste, after bonding agent fixation, remove device, loss of prestress very little, the effect of tensioning is preferable；
(3) tensioner according to the length of surface of concrete structure, can adjust the length of quantitative mechanism, have stronger
Flexibility.
Brief description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the overlooking the structure diagram of Fig. 1；
Fig. 3 is the enlarged structure schematic diagram in A portions in Fig. 1；
Fig. 4 is the right side structural representation of slip clamping device of the present invention；
Fig. 5 is the structure diagram of supporting rack of the present invention.
Embodiment
With reference to the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is the part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Only embodiment in bright, the every other implementation that those skilled in the art are obtained without making creative work
Example, belongs to the scope of protection of the invention.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still the present invention can be with
Implemented using other different from other manner described here, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is from the limitation of following public specific embodiment.
As shown in Figure 1 to 4, a kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth, including with
In fixing bracket 21, quantitative mechanism and the stretching machine of fixed carbon cloth volume 100.
Quantitative mechanism, for fixing carbon cloth, including the telescopic device that can be locked, the length of telescopic device is according to treating
Depending on the concrete component length of affixing carbon fabric, the telescopic device is horizontally disposed with, its width is more than carbon cloth 101
Width, the both ends of the quantitative mechanism are equipped with the pressurizing unit that can be moved and lock to it；
Fixing bracket 21, is fixed on quantitative mechanism upper surface vertically, and the both ends of 100 spool of carbon fiber yardage roll pass through rotation
Shaft is held 22 and is fixed on fixing bracket 21, and can be rotated along the axis of carbon fiber yardage roll 100, the carbon fiber yardage roll 100
Axis and the length direction of quantitative mechanism be vertically arranged, draw the carbon cloth 101 for discharging certain length by pulling；
Tensioning mechanism, including the driving device and slip clamping device set along quantitative mechanism length direction ecto-entad,
The clamping device that slides includes the guide slide 31 that is fixed on quantitative mechanism and coordinates with it in the guide slide 31
Tensioning sliding block 32, the guide slide 31 have four right-angle structures, and 32 lower end of tensioning sliding block has and makes carbon cloth 101
The gap passed through, the inner side of the tensioning sliding block 32 are equipped with the fixed plate 33 that can be moved and lock to it, the fixed plate 33
Length be more than the width of carbon cloth 101, the driving device includes being fixed on supporting rack 34 and activity on quantitative mechanism
Driver 35 above supporting rack 34, the drive end of the driver 35 and the contact outside of tensioning sliding block 32, the branch
It is again provided with carbon cloth 101 is extended through to the gap of quantitative mechanism end on support 34.The tensioner is when in use：
(1) by measuring the length of concrete component to be reinforced, length and the locking of telescopic device are adjusted；
(2) carbon fiber yardage roll 100 is installed on fixing bracket 21, the movable end of carbon fiber yardage roll 100 is drawn, from
Draw the gap between sliding block 32 and fixed plate 33 to pass through, and the telescopic device end face of one end is extended close to through driving device bottom
Between pressurizing unit, then through telescopic device bottom around between the telescopic device end face of the other end and pressurizing unit, and will
The pressurizing unit locking at the end, the initiating terminal of carbon cloth 101 is locked；
(3) fixed plate 33 and tensioning sliding block 32 are locked so that the other end of the carbon cloth 101 of extraction is fixed, to keep away
Exempt from new carbon cloth 101 and pull pull-out；
(4) start driver 35, it is inwardly extruded tensioning sliding block 32 so that the distance increase at 101 both ends of carbon cloth,
It is set to produce prestressing force；
(5) behind the position for adjusting tensioning sliding block 32, the pressurizing unit of the other end is locked, i.e., telescopic device both ends is crowded
Pressure device locks, and the carbon cloth 101 being laid in below telescopic device is fixed on below quantitative mechanism；
(6) carbon cloth 101 unnecessary outside quantitative mechanism is cut down；
(7) driver 35 and carbon fiber yardage roll 100 are removed, to reduce the weight of the tensioner, then held quantitative
Mechanism to paste position is pasted；
(8) right times are conserved, the pressurizing unit at both ends is unloaded, removes quantitative mechanism, dismiss unnecessary carbon cloth 101
.
The tensioner can complete carbon cloth in horizontal local pretensioning, then cut carbon cloth and remove carbon fibre
Yardage roll 100 and driver 35 are tieed up, to reduce the weight of the tensioner, strengthens its applicability, tensioner frame can be held
Frame is applicable to the concrete components such as crossbeam, metope, ground, cylinder to adhesive surface, time saving and energy saving, convenient and efficient, has higher
Utility value；The tensioner uses to be completed on ground in face of carbon cloth tensioning, fix tightly carbon cloth both ends, then directly
Paste, after bonding agent fixation, remove device, loss of prestress very little, the effect of tensioning is preferable；The tensioner being capable of basis
The length of surface of concrete structure, adjusts the length of quantitative mechanism, has stronger flexibility.
Wherein, specific telescopic device includes interval and at least two groups of telescopic rods 11 being arranged in parallel, the telescopic rod 11
Including the more tubular structures being coaxially socketed, multiple locking perforation 12, adjacent two sections of pipes are axially arranged with the tubular structure
Shape structure is by the first bolt 13 through corresponding 12 locking of locking perforation, and the both ends of the telescopic device are fixed with and telescopic rod
11 enclose the connecting plate 16 for forming rectangle, and 16 one side of connecting plate can strengthen the intensity of telescopic device, are on the other hand filled with extruding
Put the fixed carbon cloth 101 of fitting.It is horizontal in order to make to be laid on carbon cloth holding below telescopic device, so by telescopic rod 11
The diameter at both ends is identical, and the maximum gauge that end diameter is telescopic rod 11, the carbon cloth 101 at middle part can hollow out easy to viscous
Be compacted during patch, as shown in figure 3, the diameter of tubular structure is sequentially reduced, therefore have additional on the tubular structure of end one section with
The identical supplement portion 15 of head end tubular structure diameter.
Specific latch-up structure is in the device, and pressurizing unit includes stripper plate 17, and the length of the stripper plate 17 is more than
The width of carbon cloth, the both ends of the stripper plate 17 are threadedly coupled by the second bolt 18 with telescopic device.Fixed plate 33
Put and be threadedly coupled with tensioning sliding block 32 by the 3rd bolt 37 in both ends.
As shown in figure 4, guide slide 31 includes two pieces of C-shaped in configuration and the front and rear guide plate 311 being oppositely arranged.It is oriented to and slides
The bottom in road 31 is fixed with the ball 312 that can be rotated, and the ball 312 is in contact with tensioning sliding block 32.Wherein tensioning sliding block
32 have certain thickness, and under the action of the extension above guide slide 31, can keep stable movement, and be
The friction of tensioning sliding block 32 and guide slide 31 is reduced, is provided with ball 312, easy to the movement of tensioning sliding block 32.
As shown in figure 5, supporting rack 34 includes the base in n shape structures and the vertical baffle 36 for being arranged on chassis outer side, it is described
The lower section of baffle 36 is equipped with width and crosses hole 361 more than carbon cloth width.
Wherein driver 35 has the structure of Telescopic for horizontally disposed jack, cylinder or oil cylinder etc..
It the above is only presently preferred embodiments of the present invention, anyone content according to the present invention makes the present invention a little
Simple modification, deformation and equivalent substitution each fall within protection scope of the present invention.
Claims (9)
- A kind of 1. prestressed stretch-draw equipment for concrete component reinforcing carbon cloth, it is characterised in that：Including for fixing Fixing bracket (21), quantitative mechanism and the stretching machine of carbon fiber yardage roll (100)；Quantitative mechanism, including the telescopic device that can be locked, the telescopic device are horizontally disposed with, its width is more than carbon cloth (101) width, the both ends of the quantitative mechanism are equipped with the pressurizing unit that can be moved and lock to it；Fixing bracket (21), is fixed on quantitative mechanism upper surface vertically, and the both ends of carbon fiber yardage roll (100) spool pass through rotation Shaft is held (22) and is fixed on fixing bracket (21), and can be rotated along the axis of carbon fiber yardage roll (100), the carbon cloth The length direction of the axis and quantitative mechanism of rolling up (100) is vertically arranged；Tensioning mechanism, including the driving device and slip clamping device set along quantitative mechanism length direction ecto-entad, it is described Sliding clamping device includes the guide slide (31) that is fixed on quantitative mechanism and coordinates with it in the guide slide (31) Tensioning sliding block (32), the guide slide (31) have four right-angle structures, and tensioning sliding block (32) lower end, which has, makes carbon fine The gap that Wei Bu (101) is passed through, the inner side of the tensioning sliding block (32) are equipped with the fixed plate (33) that can be moved and lock to it, The length of the fixed plate (33) is more than the width of carbon cloth (101), and the driving device includes being fixed on quantitative mechanism Supporting rack (34) and the driver (35) that is movably arranged above supporting rack (34), the drive end of the driver (35) and tensioning The contact outside of sliding block (32), is again provided with making carbon cloth (101) extend through to quantitative mechanism on support frame as described above (34) The gap of end.
- 2. a kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth according to claim 1, it is special Sign is：The telescopic device includes interval and at least two groups of telescopic rods (11) being arranged in parallel, the telescopic rod (11) include The more tubular structures being coaxially socketed, multiple locking perforation (12), adjacent two sections of tubuloses are axially arranged with the tubular structure Structure is locked by the first bolt (13) through corresponding locking perforation (12), and the both ends of the telescopic device are fixed with and stretch Bar (11) encloses the connecting plate (16) for forming rectangle.
- 3. a kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth according to claim 2, it is special Sign is：The diameter at telescopic rod (11) both ends is identical, and the maximum gauge that end diameter is telescopic rod (11).
- 4. a kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth according to claim 1, it is special Sign is：The pressurizing unit includes stripper plate (17), and the length of the stripper plate (17) is more than the width of carbon cloth, described The both ends of stripper plate (17) are threadedly coupled by the second bolt (18) with telescopic device.
- 5. a kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth according to claim 1, it is special Sign is：The both ends of the fixed plate (33) are put by the 3rd bolt (37) with tensioning sliding block (32) to be threadedly coupled.
- 6. a kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth according to claim 1, it is special Sign is：The guide slide (31) includes two pieces of C-shaped in configuration and the front and rear guide plate (311) being oppositely arranged.
- 7. a kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth according to claim 1, it is special Sign is：The bottom of the guide slide (31) is fixed with the ball (312) that can be rotated, and the ball (312) slides with tensioning Block (32) is in contact.
- 8. a kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth according to claim 1, it is special Sign is：Support frame as described above (34) includes the base and the vertical baffle (36) for being arranged on chassis outer side in n shape structures, the baffle (36) lower section is equipped with width and crosses hole (361) more than carbon cloth width.
- 9. a kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth according to claim 1, it is special Sign is：The driver (35) is horizontally disposed jack, cylinder or oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711272470.3A CN107939063B (en) | 2017-12-06 | 2017-12-06 | Prestress tensioning machine for reinforcing carbon fiber cloth by concrete member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711272470.3A CN107939063B (en) | 2017-12-06 | 2017-12-06 | Prestress tensioning machine for reinforcing carbon fiber cloth by concrete member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107939063A true CN107939063A (en) | 2018-04-20 |
| CN107939063B CN107939063B (en) | 2023-04-25 |
Family
ID=61944912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711272470.3A Active CN107939063B (en) | 2017-12-06 | 2017-12-06 | Prestress tensioning machine for reinforcing carbon fiber cloth by concrete member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107939063B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681793A (en) * | 2020-12-21 | 2021-04-20 | 常州兆庚新材料有限公司 | Carbon fiber cloth's tensioning equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000220254A (en) * | 1999-02-03 | 2000-08-08 | Sumitomo Constr Co Ltd | Tension anchoring structure |
| CN2712994Y (en) * | 2004-05-21 | 2005-07-27 | 清华大学 | Carbon fiber cloth prestressed tensioner |
| CN1702270A (en) * | 2005-06-15 | 2005-11-30 | 尚守平 | Prestressed tensioning device for fiber board |
| CN205775861U (en) * | 2016-05-23 | 2016-12-07 | 中交第一公路工程局有限公司 | A kind of reaction frame for steel wire rope prestressed anchor cable stretching |
| CN207568229U (en) * | 2017-12-06 | 2018-07-03 | 中国电建集团北京勘测设计研究院有限公司 | A kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth |
-
2017
- 2017-12-06 CN CN201711272470.3A patent/CN107939063B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000220254A (en) * | 1999-02-03 | 2000-08-08 | Sumitomo Constr Co Ltd | Tension anchoring structure |
| CN2712994Y (en) * | 2004-05-21 | 2005-07-27 | 清华大学 | Carbon fiber cloth prestressed tensioner |
| CN1702270A (en) * | 2005-06-15 | 2005-11-30 | 尚守平 | Prestressed tensioning device for fiber board |
| CN205775861U (en) * | 2016-05-23 | 2016-12-07 | 中交第一公路工程局有限公司 | A kind of reaction frame for steel wire rope prestressed anchor cable stretching |
| CN207568229U (en) * | 2017-12-06 | 2018-07-03 | 中国电建集团北京勘测设计研究院有限公司 | A kind of prestressed stretch-draw equipment for concrete component reinforcing carbon cloth |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112681793A (en) * | 2020-12-21 | 2021-04-20 | 常州兆庚新材料有限公司 | Carbon fiber cloth's tensioning equipment |
| CN112681793B (en) * | 2020-12-21 | 2022-02-11 | 常州兆庚新材料有限公司 | Carbon fiber cloth's tensioning equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107939063B (en) | 2023-04-25 |
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