CN105464381B - The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape - Google Patents

The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape Download PDF

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Publication number
CN105464381B
CN105464381B CN201610003297.6A CN201610003297A CN105464381B CN 105464381 B CN105464381 B CN 105464381B CN 201610003297 A CN201610003297 A CN 201610003297A CN 105464381 B CN105464381 B CN 105464381B
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CN
China
Prior art keywords
carbon cloth
box shape
steel beam
stretch
draw
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Expired - Fee Related
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CN201610003297.6A
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Chinese (zh)
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CN105464381A (en
Inventor
刘志平
何超超
柯亮
陈凯
陈山
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Wuhan University of Technology WUT
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Wuhan University of Technology WUT
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Priority to CN201610003297.6A priority Critical patent/CN105464381B/en
Publication of CN105464381A publication Critical patent/CN105464381A/en
Application granted granted Critical
Publication of CN105464381B publication Critical patent/CN105464381B/en
Expired - Fee Related legal-status Critical Current
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12Mounting of reinforcing inserts; Prestressing
    • E04G21/121Construction of stressing jacks
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G23/00Working measures on existing buildings
    • E04G23/02Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
    • E04G23/0218Increasing or restoring the load-bearing capacity of building construction elements

Abstract

The invention discloses a kind of prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape, including fixed support, stretch-draw mechanism and elevating mechanism, stretch-draw mechanism and elevating mechanism are arranged in fixed support, stretch-draw mechanism is arranged on elevating mechanism, stretch-draw mechanism passes through stretch-draw carbon cloth, to carbon cloth Shi Hanzhang, steel beam with box shape is fixed on fixed support upper end, the carbon cloth of stretch-draw to steel beam with box shape bottom surface, is pasted onto on the crackle of steel beam with box shape bottom surface by elevating mechanism by the carbon cloth of rising stretch-draw;It is specifically designed to the device reinforcing the steel beam with box shape with middle fine cracks, easily and effectively can carry out repairing and reinforcement by mode-Ⅲ crack little to steel beam with box shape by this device.

Description

The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape
Technical field
The present invention relates to the construction recovery technique field of steel beam with box shape, be specifically related to a kind of for band crackle steel beam with box shape reinforce pre- Stress carbon cloth tensioning equipment.
Background technology
Along with the fast development of China's economy, steel are widely used in many fields, due to Technology design manufacture in reality Defect, use the reasons such as the severe of environment and overburden work, a lot of steel constructions work and arise that crackle after a period of time Then the safety of its work is affected, one of reinforcement means study hotspot becoming this field therefore selecting a kind of high-efficiency high-quality. Owing to carbon cloth has the highest specific strength, extremely strong corrosion resistance and its strengthening construction conveniently, will not produce after strengthening with external bonding Residual stress, has been a kind of emerging method hence with carbon cloth reinforced steel construction.
According to the stress of carbon cloth before pasting, its reinforcing process is broken generally into two kinds, i.e. directly reinforces and prestressing force adds Gu, wherein, the prestressed reinforcement of carbon cloth can make to be reinforced part carbon cloth before bearing load and play phase When intensity, the most effectively make use of the high intensity of carbon fiber, the extension in deformation and the crack being reinforced part can be suppressed again.Therefore The prestressed reinforcement of carbon cloth is used by increasing engineering.Enter by being embedded in anchor at beams of concrete at present The method of row prestressed reinforcement comparative maturity, and steel construction is the completeest by the specific operation process of carbon cloth prestressed reinforcement Kind, domestic have some scholars to propose in the surface soldered of steel construction to fix, stretch-draw support to carry out prestressed reinforcement, but actually Their technical characterstic is applied on steel structure reinforcing all have the biggest defect: 1) anchorage of the fixing and stretching end of concrete is all Having certain thickness, it embeds needs to dig certain degree of depth on the structure top layer being reinforced, and this method obviously cannot be applied In steel structure reinforcing;2) surface soldered at steel construction is fixed, stretch-draw support can cause equally to carry out prestressing force stretching reinforcing The local residual stress of steel construction, increases the Strength Safety hidden danger of steel construction, and after having reinforced, how striking also becomes simultaneously Extremely inconvenience;Bracing means function singleness, can only carry out the reinforcing of a fixed-direction, it is impossible to concrete according to structure after installation Loading characteristic is pasted with having set direction.
Summary of the invention
The technical problem to be solved in the present invention is, the instrument the most easily existed for prior art is used for pre-stressed carbon fiber The problem of the steel beam with box shape of cloth strengthening with external bonding band crackle, it is provided that a kind of pre-stressed carbon fiber reinforced for band crackle steel beam with box shape Cloth tensioning equipment, is specifically designed to the device reinforcing the steel beam with box shape with middle fine cracks, can be easily and effectively by this device Ground mode-Ⅲ crack little to steel beam with box shape carries out repairing and reinforcement.
The present invention solves that above-mentioned technical problem be the technical scheme is that
The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape, including fixed support, stretch-draw mechanism and lifting Mechanism, stretch-draw mechanism and elevating mechanism be arranged in fixed support, and stretch-draw mechanism is arranged on elevating mechanism, and stretch-draw mechanism passes through Stretch-draw carbon cloth, to carbon cloth Shi Hanzhang, steel beam with box shape is fixed on fixed support upper end, and elevating mechanism is by raising The carbon cloth of stretch-draw, to steel beam with box shape bottom surface, is pasted onto on the crackle of steel beam with box shape bottom surface by the carbon cloth of stretch-draw.
Connecing technique scheme, described stretch-draw mechanism includes two support plates, rotary bottom plate, spreading mechanism and rail plate, sliding Dynamic guide rail is arranged on rotary bottom plate, moves along rail plate bottom support plate, and two support plates are respectively with spreading mechanism two ends even Connecing, support plate is provided with fixture, holder carbon cloth two ends, and spreading mechanism draws by increasing the distance between two support plates Uphold tight carbon cloth.
Connecing technique scheme, described spreading mechanism includes that horizontal screw bolt, horizontal screw bolt two ends are fixed on rotary bottom plate by bearing On, one end of horizontal screw bolt is provided with first handle, and horizontal screw bolt both sides are provided with oppositely oriented screw thread, and horizontal screw bolt both sides are passed through Screw thread is connected with two support plates respectively, and first handle drives horizontal screw bolt to rotate to make two support plates along rail plate in opposite directions or phase Backward shift is moved, and after horizontal screw bolt stops operating, support plate cannot move alone under the self-locking action of screw thread pair.
Connecing technique scheme, described carbon cloth tensioning equipment also includes flattening mechanism, and described pressing mechanism includes movable panel And pillar, described posts bottom is provided with roller, is moved along rail plate by roller, and pillar upper end embeds with movable panel lower end Formula is socketed, and movable panel moves up and down along pillar, and pillar upper end is provided with spring with the overlapping region of movable panel lower end socket, logical The peak crossing pre-set springs power jack-up movable panel exceedes the summit 3-7mm of support plate.
Connecing technique scheme, described pillar upper end is provided with stop screw, and movable panel lower end is provided with corresponding groove, spacing spiral shell Nail extend in groove, and stop screw prevents movable panel from ejecting due to spring-loaded.
Connecing technique scheme, described elevating mechanism includes multiple vertical screw rod, bevel gear tooth system and lifting base plate, described Vertically screw rod is arranged at fixed support both sides by bearing, and lifting base plate two ends are connected with vertical screw rod by screw thread respectively, bore tooth Wheel drive system be arranged at lifting base plate below, bevel gear tooth system two ends respectively with the vertical screw rod of fixed support both sides bottom Connecting, any one vertical screw rod bottom is provided with second handle, rotates second handle and drives both sides by bevel gear tooth system Vertically screw rod synchronous axial system, so that lifting base plate moves up and down.
Connecing technique scheme, described bevel gear tooth system includes the first bevel gear and intermediate transmission bar, described first bevel gear Being arranged at vertical screw rod lower end, intermediate transmission bar is arranged at below lifting base plate, and intermediate transmission bar two ends are equipped with the second bevel gear, Second bevel gear engages with the first bevel gear.
Connecing technique scheme, described carbon cloth tensioning equipment also includes slew gear, and slew gear is arranged under stretch-draw mechanism , by driving stretch-draw mechanism to rotate, there is set direction affixing carbon fabric side.
Connecing technique scheme, described slew gear includes slewing supporting device and trainstop, described slewing supporting device bag Including rotation dish and fixed disk, rotation dish is arranged on fixed disk, and rotation dish is connected with rotary bottom plate, and fixed disk is with elevating mechanism even Connecing, described trainstop includes two braking intermediate plates, is provided with thin dish between two braking intermediate plates, and thin dish is connected with rotation dish, Rotation dish is made to brake by braking intermediate plate clamping.
Connecing technique scheme, described fixed support includes multiple guide pillar, cross tube and sheer pole, between cross tube and sheer pole Being connected by guide pillar, sheer pole is arranged at the lower section of elevating mechanism, and as the lower limit position of elevating mechanism, elevating mechanism is along leading Post moves up and down.
The method have the advantages that
1. stretch-draw mechanism passes through stretch-draw carbon cloth, and to carbon cloth Shi Hanzhang, steel beam with box shape is fixed on fixed support upper end, Elevating mechanism, is pasted onto on the crackle of steel beam with box shape bottom surface to steel beam with box shape bottom surface by the carbon cloth of rising stretch-draw;Realize Reinforce under the basis not affecting steel beam with box shape original structure, eliminate the unfavorable factor that the operations such as boring welding bring, pass through Stretch-draw mechanism can carry out the carbon cloth prestressed stretch-draw of different length around the crackle of steel construction in certain limit, uses specially In reinforcing the steel beam with box shape with middle fine cracks, can easily and effectively be carried out by mode-Ⅲ crack little to steel beam with box shape by this device Repairing and reinforcement, the auxiliary device that work progress needs is few, easy and simple to handle.
2. drive stretch-draw mechanism to rotate by slew gear, have set direction affixing carbon fabric;Can be in steel beam with box shape structure Crackle around carry out the carbon cloth prestressed stretch-draw of different directions in certain scope.
Accompanying drawing explanation
Fig. 1 is the reinforcing box of the prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape in the embodiment of the present invention Beam operating diagram;
Fig. 2 is the elevation of the prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape in the embodiment of the present invention;
Fig. 3 is the front view of Fig. 2;
Fig. 4 is to flatten mechanism's partial sectional view along A-A direction in Fig. 3;
Fig. 5 is the structural representation connected bottom vertical screw rod in the embodiment of the present invention;
Fig. 6 is the structural representation of trainstop in the embodiment of the present invention;
Fig. 7 be in Fig. 3 trainstop along the partial sectional view in A-A direction;
In figure, 1-fixed support, 1-1-guide pillar, 1-2-sheer pole, 1-3-cross tube, the vertical screw rod of 2-, 3-rotary bottom plate, 4- Lifting base plate, 5-second handle, 6-rail plate, 7-trainstop, 7-1-guide rod, 7-2-brakes intermediate plate, and 7-3-drives screw rod, 8-slewing supporting device, the thin dish of 8-1-, 8-2-rotation dish, 8-3-fixed disk, 9-rolling bearing, 10-bevel gear tooth system, 10-1- First bevel gear, 10-2-the second bevel gear, 10-3-intermediate transmission bar, 11-distance caging device, 12-first handle, 13-level Screw rod, 14-support plate, 15-clutch shaft bearing, 16-flattens mechanism, 16-1-rotating shaft, 16-2-roller, 16-3-pillar, 16-4-bullet Spring, 16-5-stop screw, 16-6-movable panel, 17-the second bearing, 18-surface mount, 19-steel beam with box shape.
Detailed description of the invention
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
Shown in reference Fig. 1~Fig. 7, answering for the pre-of band crackle steel beam with box shape 19 reinforcing in the embodiment that the present invention provides Power carbon cloth tensioning equipment, including fixed support 1, stretch-draw mechanism and elevating mechanism, stretch-draw mechanism and elevating mechanism are arranged at In fixed support 1, stretch-draw mechanism is arranged on elevating mechanism, and stretch-draw mechanism passes through stretch-draw carbon cloth, applies carbon cloth Prestressing force, steel beam with box shape 19 is fixed on fixed support 1 upper end, and elevating mechanism is by raising the carbon cloth of stretch-draw to steel beam with box shape 19 bottom surfaces, are pasted onto the carbon cloth of stretch-draw on the crackle of steel beam with box shape 19 bottom surface;Realize not affecting steel beam with box shape 19 Reinforce under the basis of original structure, eliminate the unfavorable factor that the operations such as boring welding bring, can be at steel by stretch-draw mechanism The carbon cloth prestressed stretch-draw of different length is carried out in certain limit around the crackle of structure.
Stretch-draw mechanism includes two support plates 14, rotary bottom plate 3, spreading mechanism and rail plate 6, and rail plate 6 is arranged at On rotary bottom plate 3, moving along rail plate 6 bottom support plate 14, two support plates 14 are connected with spreading mechanism two ends respectively, Support plate 14 is provided with fixture, holder carbon cloth two ends, and spreading mechanism is by increasing the distance between two support plates 14 Tightening tension carbon cloth.
Spreading mechanism includes horizontal screw bolt 13, and horizontal screw bolt 13 two ends are fixed on rotary bottom plate 3 by clutch shaft bearing 15, water One end of flat screw rod 13 is provided with first handle 12, and horizontal screw bolt 13 both sides are provided with oppositely oriented screw thread, horizontal screw bolt 13 liang Side is connected with two support plates 14 respectively by screw thread, and first handle 12 drives horizontal screw bolt 13 to rotate and makes two support plates 14 Move in opposite directions or on the contrary along rail plate 6.
Further, during concrete operations first the fixture on support plate 14 separately, the two ends of carbon cloth cutting got off are respectively Then drive support plate 14 to two fixture locking, the first handle 12 rotated on horizontal screw bolt 13 with bolt again in stretching into fixture Limit synchronous slide, along with the increase carbon cloth of sliding distance is stretched, stops operating horizontal screw bolt when being stretched to certain state 13, at this moment support plate 14 cannot move alone under the self-locking action of screw thread pair.
Further, rail plate 6 two ends are provided with distance caging device 11;Prevent from support plate 14 from skidding off to come off.
As shown in Figure 4, carbon cloth tensioning equipment also include flatten mechanism 16, flatten mechanism 16 include movable panel 16-6 and Pillar 16-3, is provided with roller 16-2 bottom pillar 16-3, moved along rail plate 6 by roller 16-2, pillar 16-3 upper end With the embedded socket in movable panel 16-6 lower end, movable panel 16-6 moves up and down along pillar 16-3, pillar 16-3 upper end and work The overlapping region of dynamic top board 16-6 lower end socket is provided with spring 16-4, the highest by pre-set springs power jack-up movable panel 16-6 Point exceedes the summit 5mm of support plate 14.
Pillar 16-3 upper end is provided with stop screw 16-5, movable panel 16-6 lower end and is provided with the groove of a corresponding segment distance, spacing Screw 16-5 extend in groove, and stop screw 16-5 prevents movable panel 16-6 from ejecting due to spring-loaded.
It is possible to further change the spring 16-4 flattened in mechanism 16 B-C post 16-3 with different pressure to bonding plane glue-line (i.e. glue-line used by affixing carbon fabric) carries out pressing floating.
Further, roller 16-2 is connected with pillar 16-3 by rotating shaft 16-1.
Elevating mechanism includes multiple vertical screw rod 2, bevel gear tooth system 10 and lifting base plate 4, and vertical screw rod 2 passes through bearing Being arranged at fixed support 1 both sides, lifting base plate 4 two ends are connected with vertical screw rod 2 by screw thread respectively, bevel gear tooth system 10 are arranged at below lifting base plate 4, bevel gear tooth system 10 two ends respectively with vertical screw rod 2 end of fixed support 1 both sides Portion connects, as it is shown in figure 5, any one vertical screw rod 2 bottom is provided with second handle, rotates second handle 5 and passes through bevel gear Drive system 10 drives vertical screw rod 2 synchronous axial system of both sides, so that lifting base plate 4 moves up and down, when vertical screw rod 2 stops After spline is dynamic, lifting base plate 4, under the self-locking action of screw thread pair, can be fixed at arbitrary height and position and stop and cannot move alone.
Bevel gear tooth system 10 includes the first bevel gear 10-1 and intermediate transmission bar 10-3, and the first bevel gear 10-1 is arranged at perpendicular Straight screw rod 2 lower end, intermediate transmission bar 10-3 is arranged at below lifting base plate 4, is connected with sill by bearing, intermediate transmission Bar 10-3 two ends are equipped with the second bevel gear 10-2, the second bevel gear 10-2 and the first bevel gear 10-1 engagement.
Carbon cloth tensioning equipment also includes slew gear, and slew gear is arranged at below stretch-draw mechanism, by driving stretch-draw mechanism Rotate, have set direction affixing carbon fabric;Can carry out not in scope certain around the crackle of steel beam with box shape 19 structure Equidirectional carbon cloth prestressed stretch-draw.
As shown in figs. 6-7, slew gear includes slewing supporting device 8 and trainstop 7, and slewing supporting device 8 includes turning Moving plate 8-2 and fixed disk 8-3, rotation dish 8-2 are arranged at fixed disk 8-3 upper end, and rotation dish 8-2 upper end is with rotary bottom plate 3 even Connecing, fixed disk 8-3 lower end is connected with elevating mechanism, and trainstop 7 includes two braking intermediate plate 7-2, two braking intermediate plates It is provided with thin dish 8-1, thin dish 8-1 between 7-2 to be connected with rotation dish 8-2, makes rotation dish 8-2 brake by braking intermediate plate 7-2 clamping.
Further, trainstop 7 also includes driving screw rod 7-3 and guide rod 7-1, two braking intermediate plate 7-2 parallel sleeves to be loaded on On guide rod 7-1, move along guide rod 7-1, drive the upper and lower both sides of screw rod 7-3 to be provided with reverse thread, drive the upper and lower both sides of screw rod 7-3 It is connected with two braking intermediate plate 7-2 respectively by screw thread, drives screw rod 7-3 lower end to be provided with brake handle, by rolling brake hands Handle makes two brake(-holder) blocks synchronize laminating, brake rotary support means 8 to thin dish 8-1.
Fixed support 1 includes multiple guide pillar 1-1, cross tube 1-3 and sheer pole 1-2, between cross tube 1-3 and sheer pole 1-2 Being connected by guide pillar 1-1, cross tube 1-3 binds with steel beam with box shape 19, and sheer pole 1-2 is arranged at the lower section of elevating mechanism, makees For the lower limit position of elevating mechanism, vertical screw rod 2 drives elevating mechanism to move up and down along guide pillar 1-1.
Further, steel beam with box shape 19 is bound with cross tube 1-3 by surface mount 18.
Further, vertical screw rod 2 is connected with sheer pole 1-2 by the second bearing 17.
Further, sheer pole 1-2 is connected together with bevel gear tooth system 10 by rolling bearing 9.
In one embodiment of the present of invention, the operation principle of the present invention:
Before formal operation, this device first passes through surface mount 18 and steel beam with box shape 19 carries out binding and is fixed on and fixed support 1 On;First ready carbon cloth two ends are locked on the support plate 14 of carrying jig before stretch-draw, then pass through first handle 12 rotate horizontal screw bolt 13 (can add multistage travelling gear as required in centre), and the support plate 14 of carrying jig is at horizontal screw bolt Synchronizing moving drive carbon cloth to carry out stretch-draw, when carbon cloth stretch-draw is to certain pre-stressed state laterally under the driving of 13 Rear stopping drives first handle 12, and the support plate 14 of carrying jig makes position immobilize by screw thread pair self-locking;Then according to splitting The propagation direction of stricture of vagina and the loading characteristic of girder steel rotate to the suitableeest angle rotary bottom plate 3, rotate the handle of trainstop 7 Slewing supporting device 8 is fixed;The second handle 5 rotating vertical screw rod 2 again drives lifting base plate 4 along guide pillar 1-1 slowly Slide onto, until described carrying jig support plate 14 top is to steel beam with box shape 19 body structure surface;Now flatten in mechanism 16 Movable panel 16-6 slide downward about the 5mm by the extruding of girder steel, finally moves the pillar 16-3 flattening mechanism 16 With certain pressure by floating for the pressing of bonding plane glue-line.
Above is only presently preferred embodiments of the present invention, the interest field that certainly can not limit the present invention with this, therefore depends on The equivalence change that scope of the present invention patent is made, still belongs to protection scope of the present invention.

Claims (9)

1. for band crackle steel beam with box shape reinforce prestressed carbon cloth tensioning equipment, it is characterised in that include fixed support, Stretch-draw mechanism and elevating mechanism, stretch-draw mechanism and elevating mechanism be arranged in fixed support, and stretch-draw mechanism is arranged on elevating mechanism, Stretch-draw mechanism passes through stretch-draw carbon cloth, and to carbon cloth Shi Hanzhang, steel beam with box shape is fixed on fixed support upper end, lifting The carbon cloth of stretch-draw to steel beam with box shape bottom surface, is pasted onto the little of steel beam with box shape bottom surface by the carbon cloth of rising stretch-draw by mechanism On crackle;
Described stretch-draw mechanism includes two support plates, rotary bottom plate, spreading mechanism and rail plate, and rail plate is arranged at rotation On base plate, moving along rail plate bottom support plate, two support plates are connected with spreading mechanism two ends respectively, and support plate is provided with Fixture, holder carbon cloth two ends, spreading mechanism is by increasing the distance tightening tension carbon cloth between two support plates.
The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape the most according to claim 1, its feature Being, described spreading mechanism includes that horizontal screw bolt, horizontal screw bolt two ends are fixed on rotary bottom plate by bearing, horizontal screw bolt One end is provided with first handle, and horizontal screw bolt both sides are provided with oppositely oriented screw thread, horizontal screw bolt both sides by screw thread respectively with two Support plate connects, and first handle drives horizontal screw bolt to rotate and makes two support plates move in opposite directions or on the contrary along rail plate, work as horizontal helical After bar stops operating, support plate cannot move alone under the self-locking action of screw thread pair.
The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape the most according to claim 1, its feature Being, described carbon cloth tensioning equipment also includes flattening mechanism, and described pressing mechanism includes movable panel and pillar, described Column bottom is provided with roller, is moved along rail plate by roller, pillar upper end and the embedded socket in movable panel lower end, movable top Plate moves up and down along pillar, and pillar upper end is provided with spring, by pre-set springs power top with the overlapping region of movable panel lower end socket The peak playing movable panel exceedes the summit 3-7mm of support plate.
The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape the most according to claim 3, its feature Being, described pillar upper end is provided with stop screw, and movable panel lower end is provided with corresponding groove, and stop screw extend in groove, Stop screw prevents movable panel from ejecting due to spring-loaded.
The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape the most according to claim 1, its feature Being, described elevating mechanism includes that multiple vertical screw rod, bevel gear tooth system and lifting base plate, described vertical screw rod pass through axle Holding and be arranged at fixed support both sides, lifting base plate two ends are connected with vertical screw rod by screw thread respectively, and bevel gear tooth system is arranged Below lifting base plate, bevel gear tooth system two ends are connected with bottom the vertical screw rod of fixed support both sides respectively, any one Vertically screw rod bottom is provided with second handle, rotates second handle and drives the vertical screw rod of both sides to synchronize to turn by bevel gear tooth system It is dynamic, so that lifting base plate moves up and down.
The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape the most according to claim 5, its feature Being, described bevel gear tooth system includes that the first bevel gear and intermediate transmission bar, described first bevel gear are arranged at vertical screw rod Lower end, intermediate transmission bar is arranged at below lifting base plate, and intermediate transmission bar two ends are equipped with the second bevel gear, the second bevel gear with First bevel gear engagement.
The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape the most according to claim 1, its feature Being, described carbon cloth tensioning equipment also includes slew gear, and slew gear is arranged at below stretch-draw mechanism, opens by driving Drawing mechanism rotates, and has set direction affixing carbon fabric.
The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape the most according to claim 7, its feature Being, described slew gear includes that slewing supporting device and trainstop, described slewing supporting device include rotation dish and fix Dish, rotation dish is arranged on fixed disk, and rotation dish is connected with rotary bottom plate, and fixed disk is connected with elevating mechanism, described revolution system Dynamic device includes two braking intermediate plates, is provided with thin dish between two braking intermediate plates, and thin dish is connected with rotation dish, is pressed from both sides by braking intermediate plate Rotation dish is tightly made to brake.
The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape the most according to claim 1, its feature Being, described fixed support includes multiple guide pillar, cross tube and sheer pole, is connected by guide pillar between cross tube with sheer pole, Sheer pole is arranged at the lower section of elevating mechanism, and as the lower limit position of elevating mechanism, elevating mechanism moves up and down along guide pillar.
CN201610003297.6A 2016-01-05 2016-01-05 The prestressed carbon cloth tensioning equipment reinforced for band crackle steel beam with box shape Expired - Fee Related CN105464381B (en)

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CN106555481B (en) * 2016-10-27 2018-08-14 湖南大学 The device and method of prestretching fiber composite board reinforced steel concrete flexural member
CN107774496A (en) * 2017-12-11 2018-03-09 桐乡市恒源植绒有限公司 A kind of flocking gluing machine
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
CN114704100B (en) * 2022-03-24 2023-06-20 中建八局第一建设有限公司 High Jiang Lagan tensioning tool and use method thereof

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