CN201695347U - Prestress carbon fiber sheet stretch-draw device - Google Patents
Prestress carbon fiber sheet stretch-draw device Download PDFInfo
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- CN201695347U CN201695347U CN2010202406411U CN201020240641U CN201695347U CN 201695347 U CN201695347 U CN 201695347U CN 2010202406411 U CN2010202406411 U CN 2010202406411U CN 201020240641 U CN201020240641 U CN 201020240641U CN 201695347 U CN201695347 U CN 201695347U
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Abstract
The utility model relates to a prestress carbon fiber sheet stretch-draw device, relating to a carbon fiber sheet stretch-draw device and solving the problem that the traditional carbon fiber sheet stretch-draw device has complex structure and high manufacturing cost. In the utility model, a concrete reinforcing beam is arranged among four bottom plates and is positioned on a support plate. A carbon fiber sheet is arranged on two first rollers, the two ends of the carbon fiber sheet respectively round the first rollers and second rollers which correspond to the carbon fiber sheet, and the end part of the carbon fiber sheet rounds the second roller, turns back and is stuck with the carbon fiber sheet at the upper part with epoxy resin glue. When the epoxy resin glue is solidified, a second nut is adjusted to enable a second tensioning screw to move slantwise towards the outer lower part, thereby the carbon fiber sheet is extended, and the stretch-draw effect is achieved. Then a first nut is adjusted again to enable a first tensioning screw to move slantwise towards the outer upper part, thereby the carbon fiber sheet is lifted to the bottom surface position of the concrete reinforcing beam and is stuck on the concrete reinforcing beam. The utility model is used for stretching and drawing the carbon fiber sheet.
Description
Technical field
The utility model relates to a kind of carbon cloth tensioning equipment.
Background technology
Carbon cloth (being called for short CFRP cloth) has high strength, light weight, fire-resistant, corrosion resistant characteristics, is the ideal material of reinforced concrete flexural member, can be widely used in bridge, the civilian construction.In order to give full play to the high characteristics of CFRP cloth tensile strength, carbon cloth is sticked on surface of concrete structure again applying under the prestressing force condition, can effectively improve the utilization rate of cloth, the generation and the development of restriction concrete member external crack better simultaneously is beneficial to the supporting capacity that improves member and increases the service life.China Patent No. is 200420059753.1, the utility model patent that open day is on July 27th, 2005 discloses a kind of carbon cloth prestressed tensioner, this patent adopts twin-tub synchronous working mode that carbon cloth is applied stretching force, though this patent can make carbon cloth not apply predetermined prestressing force to carbon cloth in advance before pasting reinforcement, and at the bottom of keeping under the state of this prestress value that it is pasted on concrete beam, realization is to the reinforcing of concrete beam, though this patent has improved the bearing capacity of concrete beam and has reduced concrete beam at normal crack width and the deflection deformation that uses under the duty, but, because this patent adopts parts such as two oil cylinders and oil pump, make this patent structure complexity, cost is very high.
Summary of the invention
The purpose of this utility model is for solving existing carbon cloth tensioning equipment complex structure, problem that manufacturing cost is high, a kind of prestressed carbon cloth tensioning equipment being provided.
The utility model comprises two stretch-draw assemblies, be symmetrical arranged before and after two stretch-draw assemblies, each stretch-draw assembly is by first roller bearing, second roller bearing and two adjustment component are formed, two adjustment component are that benchmark is symmetrical arranged with the longitudinal centre line, and connect by Connection Element between the base plate on two adjustment component, each adjustment component is by base plate, first riser, first stretching screw, first nut, second riser, second stretching screw and second nut are formed, first riser and the oblique top that is arranged in base plate vertical with base plate, the first riser upper extreme point apart from the distance of the inboard end face of base plate less than the distance of the first riser lower extreme point apart from the inboard end face of base plate, angle between first riser and the horizontal plane is first angle, the end face of first riser is provided with first screwed hole, first stretching screw passes first screwed hole, first nut is positioned at the outside of first riser, and first nut is threaded with first stretching screw, second riser and the oblique bottom that be arranged in base plate vertical with base plate, and oblique and first riser of second riser is oblique opposite, the second riser lower extreme point apart from the distance of the inboard end face of base plate less than the distance of the second riser upper extreme point apart from the inboard end face of base plate, angle between second riser and the horizontal plane is second angle, the end face of second riser is provided with second screwed hole, second stretching screw passes second screwed hole, second nut is positioned at the outside of second riser, and second nut is threaded with second stretching screw, on the base plate and be positioned at the second riser inboard be provided with second stretching screw over against slotted hole, the slotted hole on symmetrically arranged two base plates is passed at the two ends of second roller bearing respectively, and the two ends of second roller bearing connect by corresponding second stretching screw with it of Connection Element respectively, first roller bearing is positioned at outside the inboard end face of base plate, and the two ends of first roller bearing connect by corresponding first stretching screw with it of Connection Element respectively.
The utility model has the advantages that: one, the utility model makes carbon cloth 7 apply predetermined prestressing force in advance before not pasting concrete strengthening beam 6 carbon cloth 7 by adjusting the second stretching screw 1-6, and in the bottom surface that keeps under the state of this prestress value carbon cloth 7 being pasted on concrete strengthening beam 6, realization is to the reinforcing of concrete strengthening beam 6, stretching process of the present utility model makes cloth 7 stressed even, stretch-draw is effective, and tension operation is little to concrete strengthening beam 6 structural damages; The utility model is compared with prior art simple in structure, low cost of manufacture.Two, the utility model is convenient to operation, has alleviated operator's labour intensity.Three, the utility model is easy to transportation and carrying.
Description of drawings
Fig. 1 is an overall structure front view of the present utility model, and Fig. 2 is the B-B sectional view of Fig. 1, and Fig. 3 is the structural front view (removing the second stretching screw 1-6 and the second nut 1-7) of an adjustment component 1.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1～Fig. 3, present embodiment comprises two stretch-draw assemblies, be symmetrical arranged before and after two stretch-draw assemblies, each stretch-draw assembly is by first roller bearing 2, second roller bearing 3 and two adjustment component 1 are formed, two adjustment component 1 are that benchmark is symmetrical arranged with the longitudinal centre line, and connect by Connection Element between the base plate 1-1 on two adjustment component 1, each adjustment component 1 is by base plate 1-1, the first riser 1-2, the first stretching screw 1-3, the first nut 1-4, the second riser 1-5, the second stretching screw 1-6 and the second nut 1-7 form, the first riser 1-2 and the oblique top that is arranged in base plate 1-1 vertical with base plate 1-1, the first riser 1-2 upper extreme point apart from the distance h of the inboard end face of base plate 1-1 less than the distance H of the first riser 1-2 lower extreme point apart from the inboard end face of base plate 1-1, angle between the first riser 1-2 and the horizontal plane is the first angle α, the end face of the first riser 1-2 is provided with the first screwed hole 1-2-1, the first stretching screw 1-3 passes the first screwed hole 1-2-1, the first stretching screw 1-3 is threaded with the first screwed hole 1-2-1, the first nut 1-4 is positioned at the outside of the first riser 1-2, and the first nut 1-4 is threaded with the first stretching screw 1-3, the second riser 1-5 and the oblique bottom that be arranged in base plate 1-1 vertical with base plate 1-1, and the oblique and first riser 1-2's of the second riser 1-5 is oblique opposite, the second riser 1-5 lower extreme point apart from the inboard end face of base plate 1-1 apart from t less than the second riser 1-5 upper extreme point apart from the inboard end face of base plate 1-1 apart from T, angle between the second riser 1-5 and the horizontal plane is the second angle β, the end face of the second riser 1-5 is provided with the second screwed hole 1-5-1, the second stretching screw 1-6 passes the second screwed hole 1-5-1, the second stretching screw 1-6 is threaded with the second screwed hole 1-5-1, the second nut 1-7 is positioned at the outside of the second riser 1-5, and the second nut 1-7 is threaded with the second stretching screw 1-6, base plate 1-1 go up and be positioned at the second riser 1-5 inboard be provided with the second stretching screw 1-6 over against slotted hole 1-1-1, the slotted hole 1-1-1 on symmetrically arranged two base plate 1-1 is passed at the two ends of second roller bearing 3 respectively, and the two ends of second roller bearing 3 connect by the corresponding second stretching screw 1-6 with it of Connection Element respectively, first roller bearing 2 is positioned at outside the inboard end face of base plate 1-1, and the two ends of first roller bearing 2 connect by the corresponding first stretching screw 1-3 with it of Connection Element respectively.Welding is adopted in the junction of the first riser 1-2 and base plate 1-1.The first stretching screw 1-3, first roller bearing 2, the second stretching screw 1-6 and second roller bearing 3 all adopt the Q345 steel.This device can the stretch-draw width be the carbon cloth of 150mm.When the carbon cloth of stretch-draw different in width, can realize by the length of adjusting first roller bearing 2 and second roller bearing 3.
The specific embodiment two: in conjunction with Fig. 1 and Fig. 3 present embodiment is described, the first angle α of present embodiment is 30 °～50 °, and the second angle β is 30 °～50 °.The first angle α and the second angle β make the space length the best of the roller bearing 2 and second roller bearing 3 of winning in above-mentioned number range, thereby make this device reach best stretch-draw effect.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: present embodiment is described in conjunction with Fig. 1 and Fig. 3, present embodiment and the specific embodiment one are different is that it also increases by 16 gussets 4 are arranged, the bilateral symmetry of the first stretching screw 1-3 is provided with two gussets 4 on the inboard end face of each first riser 1-2, and the bilateral symmetry of the second stretching screw 1-6 is provided with two gussets 4 on the inboard end face of each second riser 1-5.Welding is all adopted in the junction of gusset 4 and the first riser 1-2 and base plate 1-1, and welding is all adopted in the junction of gusset 4 and the second riser 1-5 and base plate 1-1; Gusset 4 can make the first riser 1-2 and the second riser 1-5 on it not destroy.Other composition and annexation are identical with the specific embodiment one or two.
The specific embodiment four: present embodiment is described in conjunction with Fig. 2, present embodiment and the specific embodiment one are different is that it also increases by four gripper shoes 5 are arranged, each base plate 1-1 goes up and the end face upper edge horizontal center line opposite with the first riser 1-2 is installed is provided with a gripper shoe 5, and gripper shoe 5 is provided with base plate 1-1 is vertical.Gripper shoe 5 makes this device when the stretch-draw carbon cloth, increases the intensity of base plate 1-1.Other composition and annexation are identical with the specific embodiment three.
The course of work of the present utility model:
During use, concrete strengthening beam 6 is placed between four base plate 1-1, and be positioned at above the gripper shoe 5; With carbon cloth 7 place two first roller bearings 2 above, the two ends of carbon cloth 7 are walked around first roller bearing 2 corresponding with it and second roller bearing 3 respectively, the end of carbon cloth 7 is walked around and is turned back behind second roller bearing 3 and be stained with epoxide-resin glue and top carbon cloth 7, after treating the epoxy resin adhesive curing, regulating the second nut 1-7 moves the oblique outside below of the second stretching screw 1-6, thereby make carbon cloth 8 elongations, reach the effect of stretch-draw; Regulate the first nut 1-4 again, the oblique outside top of the first stretching screw 1-3 is moved, carbon cloth 7 is risen to the basal surface position of concrete strengthening beam 6, and stick on the concrete strengthening beam 6.
Claims (4)
1. prestressed carbon cloth tensioning equipment, it is characterized in that: described tensioning equipment comprises two stretch-draw assemblies, be symmetrical arranged before and after two stretch-draw assemblies, each stretch-draw assembly is by first roller bearing (2), second roller bearing (3) and two adjustment component (1) are formed, two adjustment component (1) are that benchmark is symmetrical arranged with the longitudinal centre line, and connect by Connection Element between the base plate (1-1) on two adjustment component (1), each adjustment component (1) is by base plate (1-1), first riser (1-2), first stretching screw (1-3), first nut (1-4), second riser (1-5), second stretching screw (1-6) and second nut (1-7) are formed, first riser (1-2) and the oblique top that is arranged in base plate (1-1) vertical with base plate (1-1), first riser (1-2) upper extreme point apart from the distance (h) of the inboard end face of base plate (1-1) less than the distance (H) of first riser (1-2) lower extreme point apart from the inboard end face of base plate (1-1), angle between first riser (1-2) and the horizontal plane is first angle (α), the end face of first riser (1-2) is provided with first screwed hole (1-2-1), first stretching screw (1-3) passes first screwed hole (1-2-1), first nut (1-4) is positioned at the outside of first riser (1-2), and first nut (1-4) is threaded with first stretching screw (1-3), second riser (1-5) and the oblique bottom that be arranged in base plate (1-1) vertical with base plate (1-1), and oblique and first riser (1-2) of second riser (1-5) is oblique opposite, second riser (1-5) lower extreme point apart from the distance (t) of the inboard end face of base plate (1-1) less than the distance (T) of second riser (1-5) upper extreme point apart from the inboard end face of base plate (1-1), angle between second riser (1-5) and the horizontal plane is second angle (β), the end face of second riser (1-5) is provided with second screwed hole (1-5-1), second stretching screw (1-6) passes second screwed hole (1-5-1), second nut (1-7) is positioned at the outside of second riser (1-5), and second nut (1-7) is threaded with second stretching screw (1-6), base plate (1-1) go up and be positioned at second riser (1-5) inboard be provided with second stretching screw (1-6) over against slotted hole (1-1-1), the slotted hole (1-1-1) on symmetrically arranged two base plates (1-1) is passed at the two ends of second roller bearing (3) respectively, and the two ends of second roller bearing (3) connect by corresponding second stretching screw with it of Connection Element (1-6) respectively, first roller bearing (2) is positioned at outside the inboard end face of base plate (1-1), and the two ends of first roller bearing (2) connect by corresponding first stretching screw with it of Connection Element (1-3) respectively.
2. according to the described prestressed carbon cloth tensioning equipment of claim 1, it is characterized in that: described first angle (α) is 30 °～50 °, and described second angle (β) is 30 °～50 °.
3. according to claim 1 or 2 described prestressed carbon cloth tensioning equipments, it is characterized in that: described tensioning equipment also comprises 16 gussets (4), the bilateral symmetry of first stretching screw (1-3) is provided with two gussets (4) on the inboard end face of each first riser (1-2), and the bilateral symmetry of second stretching screw (1-6) is provided with two gussets (4) on the inboard end face of each second riser (1-5).
4. according to the described prestressed carbon cloth tensioning equipment of claim 3, it is characterized in that: described tensioning equipment also comprises four gripper shoes (5), each base plate (1-1) is gone up and the end face upper edge horizontal center line opposite with first riser (1-2) is installed is provided with a gripper shoe (5), gripper shoe (5) and the vertical setting of base plate (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202406411U CN201695347U (en) | 2010-06-29 | 2010-06-29 | Prestress carbon fiber sheet stretch-draw device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202406411U CN201695347U (en) | 2010-06-29 | 2010-06-29 | Prestress carbon fiber sheet stretch-draw device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201695347U true CN201695347U (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202406411U Expired - Fee Related CN201695347U (en) | 2010-06-29 | 2010-06-29 | Prestress carbon fiber sheet stretch-draw device |
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| CN (1) | CN201695347U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485546A (en) * | 2013-10-08 | 2014-01-01 | 魏拥军 | Prestress tension device and tension method for carbon fiber sheets |
| CN103806673A (en) * | 2014-02-19 | 2014-05-21 | 重庆交通大学 | Carbon fiber sheet stretching-drawing device for concrete column strengthening treatment |
| CN105625639A (en) * | 2016-01-08 | 2016-06-01 | 苏交科集团股份有限公司 | Curling type tensioning and anchoring system for carbon fiber cloth |
| CN106192780A (en) * | 2016-08-31 | 2016-12-07 | 刘平原 | Multiaxis for composite is layered self-locking tensioning equipment |
| CN106499175A (en) * | 2017-01-04 | 2017-03-15 | 中冶建工集团有限公司 | A kind of self-locking steel twisted wire pours bracing frame and its installation and application |
| CN109025353A (en) * | 2018-08-26 | 2018-12-18 | 大连理工大学 | A kind of device and construction method of pre-stress FRP sheet material reinforcement of rc beam |
| CN110939262A (en) * | 2019-10-24 | 2020-03-31 | 中建八局第四建设有限公司 | External hanging type external scaffold |
-
2010
- 2010-06-29 CN CN2010202406411U patent/CN201695347U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485546A (en) * | 2013-10-08 | 2014-01-01 | 魏拥军 | Prestress tension device and tension method for carbon fiber sheets |
| CN103485546B (en) * | 2013-10-08 | 2016-09-07 | 魏拥军 | Carbon fiber plate pre-stress stretching device and method for stretching |
| CN103806673A (en) * | 2014-02-19 | 2014-05-21 | 重庆交通大学 | Carbon fiber sheet stretching-drawing device for concrete column strengthening treatment |
| CN105625639A (en) * | 2016-01-08 | 2016-06-01 | 苏交科集团股份有限公司 | Curling type tensioning and anchoring system for carbon fiber cloth |
| CN105625639B (en) * | 2016-01-08 | 2017-12-29 | 苏交科集团股份有限公司 | The tensioning of carbon cloth rolling and anchor system |
| CN106192780A (en) * | 2016-08-31 | 2016-12-07 | 刘平原 | Multiaxis for composite is layered self-locking tensioning equipment |
| CN106192780B (en) * | 2016-08-31 | 2018-06-08 | 刘平原 | Self-locking tensioning equipment is layered for the multiaxis of composite material |
| CN106499175A (en) * | 2017-01-04 | 2017-03-15 | 中冶建工集团有限公司 | A kind of self-locking steel twisted wire pours bracing frame and its installation and application |
| CN109025353A (en) * | 2018-08-26 | 2018-12-18 | 大连理工大学 | A kind of device and construction method of pre-stress FRP sheet material reinforcement of rc beam |
| CN110939262A (en) * | 2019-10-24 | 2020-03-31 | 中建八局第四建设有限公司 | External hanging type external scaffold |
| CN110939262B (en) * | 2019-10-24 | 2021-10-08 | 中建八局第四建设有限公司 | External hanging type external scaffold |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20110629 |