CN204899230U - Towed prestressing force carbon fiber plate tensioning equipment - Google Patents
Towed prestressing force carbon fiber plate tensioning equipment Download PDFInfo
- Publication number
- CN204899230U CN204899230U CN201520427171.2U CN201520427171U CN204899230U CN 204899230 U CN204899230 U CN 204899230U CN 201520427171 U CN201520427171 U CN 201520427171U CN 204899230 U CN204899230 U CN 204899230U
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- ground tackle
- fixed end
- reaction frame
- fiber plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a towed prestressing force carbon fiber plate tensioning equipment, including jack, reaction frame, stretch -draw end ground tackle, carbon fiber plate, stiff end ground tackle, the stiff end support that sets gradually, the reaction frame is connected with concrete structure through gluing the anchor bolt with the stiff end support, between stretch -draw end ground tackle and reaction frame, the jack, be connected through a screw rod respectively between stiff end ground tackle and the stiff end support. The utility model discloses structural design is ingenious, through the principle of 2 lines for the atress at carbon fiber plate both ends is balanced, thereby avoids making to carbon fiber plate prestress application the time its ruptured situation.
Description
Technical field
The utility model relates to towed pre-stressed carbon fiber plate tensioning equipment.
Background technology
At present, apply to the pre-stressed carbon fiber plate tensioning equipment in civil construction and bridge strengthening construction, the carbon fiber ground tackle of this device adopts one end to fixedly mount ground tackle (being commonly called as fixed end ground tackle) by bearing support, the other end uses solid jack by reaction frame and stretch board and two screw rods, traction or pushing tow ground tackle (being commonly called as stretching end ground tackle), realize the stretch-draw of pre-stressed carbon fiber plate.
So-called pre-stressed carbon fiber plate adopts unidirectional fibre (length Impact direction) through high temperature pultrusion composite molding, and the conventional specification used is width 100mm or 50mm.When jack is by reaction frame and stretch board and two screw rods, when traction or pushing tow stretching end ground tackle are to carbon fiber board Shi Hanzhang, because when two ends bearing support is installed, center easily occurs deviation, in stretching process, easily producing carbon fiber board cross section fibres discontinuity equalization thus thus twisted phenomena appears in width, causing carbon fiber board to break when applying control stress for prestressing.
Although some adopts circular arc end face locate mode in prior art, can finely tune carbon beaverboard anchorage tension center, but, when the jack being arranged on reaction frame is by two screw rods traction ground tackle stress application jackings, jack piston position of center line determines travel path and the carbon fiber board center of effort straight line physical slot of stretching end ground tackle, centre deviation is there is when stretching end and fixed end carrying stress support are installed, this circular arc end face location fine-tuning mode (ground tackle tension angle adjustment can only be provided and the problem of centerline deviation can not be solved), obviously fracture phenomena during carbon fiber board Shi Hanzhang can not be solved.
Summary of the invention
The utility model is in order to solve existing problem, a kind of towed pre-stressed carbon fiber plate tensioning equipment is provided, comprise the jack, reaction frame, stretching end ground tackle, carbon fiber board, fixed end ground tackle, the fixed end support that set gradually, described reaction frame is connected with mixed clay structure by glue bond anchor bolt with fixed end support, and described stretching end ground tackle is connected respectively by a screw rod with between reaction frame, jack, between fixed end ground tackle with fixed end support.
Screw rod and each parts, when being connected, adopt the mode arranging nut on screw rod, are limited the relative position of each screw rod relatively reaction frame, fixed end support in its axial direction by nut respectively.
Further, between reaction frame and jack, and reaction frame, be respectively equipped with a pair concave, convex spheric washer between fixed end support and nut and combine.Described concave, convex spheric washer combination adopts steel to make through heat-treatment quenching, and the spherical radius of concave, convex spheric washer is R10 ~ R100 millimeter.
The screw rod of the technical program is high-strength bolt, and its strength grade is 8.8 grades, 10.9 grades, 12.9 grades, and diameter is 10 ~ 50 millimeters.The both sides of stretching end ground tackle and fixed end ground tackle are respectively equipped with the guide rail clip seat making it can move along carbon fiber board axial direction.
The utility model connects the carrying tension support at ground tackle and two ends by high-strength bolt, high-strength bolt one end and carbon fiber board stretching end ground tackle are connected by disposed thread or the nut seat that installs additional, by nut, the other end adds that the locking of concavo-convex sphere washer combinations carries the vertical stressed location-plate of tension support (also referred to as reaction frame) with stretching end and is connected, two pieces of vertical stressed location-plates arranged side by side, locking after last piece of plate (by ground tackle) completes for high-strength bolt prestressed stretch-draw, rear one block of plate is used for high-strength bolt and realizes prestressed stretch-draw through hollow jack.When jack draws stretching end ground tackle to carbon fiber board Shi Hanzhang by high-strength bolt, two ends support installing deviation relatively rotates displacement by concave, convex spheric washer and realizes freely adjusting, high-strength bolt and stretching end and fixed end tension support 2 self-assembling formation straight lines, thus the tension control prestress that jack pair carbon fiber board applies is passed to two ends tension bearing support, two ends tension bearing support is connected with the glue bond anchor bolt of former concrete structure by rear anchoring, realizes the strengthening construction of pre-stressed carbon fiber plate to concrete structure.The utility model not only structure is simple, with low cost, and splintering problem when effectively can solve carbon fiber board Shi Hanzhang.
Accompanying drawing explanation
Fig. 1 is the top view of the utility model first embodiment;
Fig. 2 is the sectional view of the utility model first embodiment;
Fig. 3 is the lateral view of the utility model second embodiment traction end;
Fig. 4 is the lateral view of the utility model second embodiment fixed end;
Fig. 5 is the scheme of installation of the utility model guide rail clip seat.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further.
Fig. 1, Fig. 2 illustrate the first embodiment of the present utility model, in a first embodiment, towed pre-stressed carbon fiber plate tensioning equipment from left to right comprises the jack 1, reaction frame 2, stretching end ground tackle 6, carbon fiber board 8, fixed end ground tackle 9 and the fixed end support 10 that set gradually.Reaction frame 2 is connected with mixed clay structure with the glue bond anchor bolt 4 of fixed end support 10 by rear anchoring, realizes the strengthening construction of pre-stressed carbon fiber plate to concrete structure.
Be connected by a screw rod 5 between stretching end ground tackle 6 with reaction frame 2, and this screw rod 5 is connected with jack 1 through reaction frame 2 again, this jack 1 is hollow jack, and screw rod 5 runs through this hollow jack, same fixed end ground tackle 9 be also be connected by a screw rod 5 between fixed end support 10.Due between stretching end ground tackle 6 and jack 1, reaction frame 2, and be connected respectively by a screw rod 5 between fixed end ground tackle 9 with fixed end support 10.When by traction screw drive stretching end ground tackle 6, (being left in figure) moves carbon fiber board 8 Shi Hanzhang forward, the reaction frame 2 at two ends is connected with fixed end support and with stretch-draw, fixed end ground tackle 9 by high-strength bolt, two stress points making fixed end ground tackle 9 and stretching end ground tackle 6 carry fixed end support and reaction frame 2 form straight line and transmit tension stress, realize pre-stressed carbon fiber plate two-point defined line and horizontal force, complete the construction requirement of prestressed stretch-draw.
The screw rod 5 of the present embodiment adopts high-strength bolt, and its strength grade is 8.8 grades, 10.9 grades, 12.9 grades, and high-strength bolt diameter is 10 ~ 50 millimeters.High-strength bolt and stretching end ground tackle 6, fixed end ground tackle 9 are when being connected, ground tackle disposed thread or caption nut seat 11 can be adopted to connect, caption nut seat 11 is adopted with stretching end ground tackle 6, fixed end ground tackle 9 and is screwed, welds or the mode such as integral cast is fixedly connected with, make to bear the stretch-draw of stretch-draw traction stresses, the stressed height of fixed end ground tackle higher than the stressed height of carbon fiber board, naturally to rise new line near the ground tackle part of carbon fiber board one end during tension.High-strength bolt is between reaction frame 2 and fixed end support, by arranging nut 3 on screw rod, is limited the relative position of each screw rod 5 relatively reaction frame 2, fixed end support in its axial direction by nut 3 respectively.
Fig. 3, Fig. 4 is the second embodiment of the present utility model, second embodiment is based on the first embodiment, further, between reaction frame 2 and hollow jack 1, between nut 3 and reaction frame 2, screw rod 5 between nut 3 and fixed end support is provided with a pair recessed, convex spherical washer combinations 12, when jack 1 is by high-strength bolt traction stretching end ground tackle 6 pairs of carbon fiber board Shi Hanzhang, support (reaction frame and the fixed end support) installation deviation at two ends is by recessed, convex spherical washer combinations relatively rotates displacement and realizes freely adjusting, high-strength bolt and stretch-draw, the tension supporting-point self-assembling formation straight line of fixed end ground tackle, thus the tension control prestress that jack 1 pair of carbon fiber board applies is passed to two ends tension bearing support (reaction frame and fixed end support), and two ends tension bearing support is connected with the glue bond anchor bolt of former concrete structure by rear anchoring, realize the strengthening construction of pre-stressed carbon fiber plate to concrete structure.
In a second embodiment, concavo-convex sphere washer combinations adopts steel through heat-treatment quenching, and spherical radius is R10 ~ R100 millimeter, and those skilled in the art can arrange 2 ~ 10 covers as required in corresponding position.
As shown in Figure 5, in the above two embodiments, the stretch-draw at carbon fiber board two ends, the both sides of fixed end ground tackle are provided with guide rail clip seat 7 respectively, guide rail clip seat 7 limits two ends ground tackle and can move along carbon fiber board axial direction, the contact length of guide rail clip seat and stretching end ground tackle 6 or fixed end ground tackle is 10 ~ 500 millimeters, width is 1 ~ 100 millimeter, 1 ~ 5 diameter is adopted to be that the glue bond anchor bolt of 6 ~ 30 millimeters is implanted former component and fixed, guide rail clip seat bolt through-hole is at width, be set to elongated hole for adjusting the relative position with two ends ground tackle, but the normal slippage of ground tackle must not be hindered.Slippage when therefore both ensure that two ends ground tackle and concrete had certain gap to be beneficial to stretch-draw, ensures again to install parallel with concrete beam (plate) face.
When specifically using, thrust is delivered to reaction frame 2 by concavo-convex sphere washer combinations by hollow jack 1, reaction frame 2 is passed to former concrete structure by glue bond anchor bolt tension stress, hollow jack 1 drives high-strength bolt draw nut seat and stretching end ground tackle 6 to move forward (carbon fiber board extends by after tension stress effect) by reaction force, the carbon fiber board other end is connected with fixed end support by fixed end ground tackle and high-strength bolt, adopt lock screw 3 and front end recessed, convex spherical washer combinations realizes locking, the tension stress that hollow jack 1 applies is passed to former concrete structure by fixed end support and glue bond anchor bolt again at fixed end.When the tension stress that hollow jack 1 applies reaches requirement, hollow jack 1 can be removed after tightening lock screw 3, change the construction of next carbon fiber board prestress tension.When reaction frame 2 and fixed end support are because of construction deviation, install CB occur do not overlap or not parallel error time, hollow jack 1 apply tension stress after carbon fiber board and two ends ground tackle self-assembling formation straight line stressed, after the relative rotary displacement combined by concave, convex spheric washer, the concave, convex spheric washer that two ends are arranged combines an end face and is close to hollow jack 1 or nut 3, bearing support stressed plate is close in other end, thus make up the deviation of reaction frame 2 and fixed end rack construction installation generation, tension stress transmission is implemented smoothly.
Above specific embodiment is only in order to illustrate design of the present utility model, and those of ordinary skill in the art can make various deformation and change under design of the present utility model, and these distortion and change include within protection domain of the present utility model.
Claims (6)
1. a towed pre-stressed carbon fiber plate tensioning equipment, comprise the jack, reaction frame, stretching end ground tackle, carbon fiber board, fixed end ground tackle, the fixed end support that set gradually, described reaction frame is connected with mixed clay structure by glue bond anchor bolt with fixed end support, it is characterized in that, described stretching end ground tackle is connected respectively by a screw rod with between reaction frame, jack, between fixed end ground tackle with fixed end support.
2. towed pre-stressed carbon fiber plate tensioning equipment as claimed in claim 1, it is characterized in that, described screw rod is provided with nut, is limited the relative position of each screw rod relatively reaction frame, fixed end support in its axial direction by nut respectively.
3. towed pre-stressed carbon fiber plate tensioning equipment as claimed in claim 2, is characterized in that, between described reaction frame and jack, and reaction frame, is respectively equipped with a pair concave, convex spheric washer combines between fixed end support and nut.
4. towed pre-stressed carbon fiber plate tensioning equipment as claimed in claim 3, is characterized in that, described concave, convex spheric washer combination adopts steel to make through heat-treatment quenching, and the spherical radius of concave, convex spheric washer is R10 ~ R100 millimeter.
5. the towed pre-stressed carbon fiber plate tensioning equipment as described in claim 2 to 4 any one, it is characterized in that, described screw rod is high-strength bolt, and its strength grade is 8.8 grades, 10.9 grades, 12.9 grades, and diameter is 10 ~ 50 millimeters.
6. the towed pre-stressed carbon fiber plate tensioning equipment as described in claim 2 to 4 any one, it is characterized in that, the both sides of described stretching end ground tackle and fixed end ground tackle are respectively equipped with the guide rail clip seat making it can move along carbon fiber board axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520427171.2U CN204899230U (en) | 2015-06-19 | 2015-06-19 | Towed prestressing force carbon fiber plate tensioning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520427171.2U CN204899230U (en) | 2015-06-19 | 2015-06-19 | Towed prestressing force carbon fiber plate tensioning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204899230U true CN204899230U (en) | 2015-12-23 |
Family
ID=54921417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520427171.2U Active CN204899230U (en) | 2015-06-19 | 2015-06-19 | Towed prestressing force carbon fiber plate tensioning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204899230U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569372A (en) * | 2016-02-04 | 2016-05-11 | 广东工业大学 | Device and method for enhancing composite reinforced concrete through prestress fiber |
| CN106049300A (en) * | 2016-08-03 | 2016-10-26 | 深圳市威士邦建筑新材料科技有限公司 | Pull-type prestress carbon fiber bar tension device and construction method |
| CN106522574A (en) * | 2016-11-23 | 2017-03-22 | 深圳市威士邦建筑新材料科技有限公司 | Decomposition-type prestressed carbon fiber tensioning device and construction method thereof |
| CN106703433A (en) * | 2016-12-29 | 2017-05-24 | 华北水利水电大学 | Prestress fiber sheet combined and assembled tension device and construction method thereof |
| CN107299725A (en) * | 2017-07-28 | 2017-10-27 | 东南大学 | A kind of prefabricated PC carbon fiber board tensioning rollering fastening system and its anchoring process |
| CN109235923A (en) * | 2018-10-31 | 2019-01-18 | 深圳大学 | The single pole prior-warning device and ductility of pre-stress FRP ruggedized construction regulate and control method |
| WO2020087887A1 (en) * | 2018-10-31 | 2020-05-07 | 深圳大学 | Early warning apparatus of pre-stressed frp reinforcing structure and ductility regulation method |
-
2015
- 2015-06-19 CN CN201520427171.2U patent/CN204899230U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105569372A (en) * | 2016-02-04 | 2016-05-11 | 广东工业大学 | Device and method for enhancing composite reinforced concrete through prestress fiber |
| CN105569372B (en) * | 2016-02-04 | 2017-05-03 | 广东工业大学 | Device and method for enhancing composite reinforced concrete through prestress fiber |
| CN106049300A (en) * | 2016-08-03 | 2016-10-26 | 深圳市威士邦建筑新材料科技有限公司 | Pull-type prestress carbon fiber bar tension device and construction method |
| CN106522574A (en) * | 2016-11-23 | 2017-03-22 | 深圳市威士邦建筑新材料科技有限公司 | Decomposition-type prestressed carbon fiber tensioning device and construction method thereof |
| CN106522574B (en) * | 2016-11-23 | 2018-11-30 | 深圳市威士邦建筑新材料科技有限公司 | A kind of breakdown pre-stressed carbon fiber tensioning equipment and its construction method |
| CN106703433A (en) * | 2016-12-29 | 2017-05-24 | 华北水利水电大学 | Prestress fiber sheet combined and assembled tension device and construction method thereof |
| CN107299725A (en) * | 2017-07-28 | 2017-10-27 | 东南大学 | A kind of prefabricated PC carbon fiber board tensioning rollering fastening system and its anchoring process |
| CN109235923A (en) * | 2018-10-31 | 2019-01-18 | 深圳大学 | The single pole prior-warning device and ductility of pre-stress FRP ruggedized construction regulate and control method |
| WO2020087887A1 (en) * | 2018-10-31 | 2020-05-07 | 深圳大学 | Early warning apparatus of pre-stressed frp reinforcing structure and ductility regulation method |
| US11186991B2 (en) | 2018-10-31 | 2021-11-30 | Shenzhen University | Early warning device and ductility control method for prestressed FRP reinforced structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204899230U (en) | Towed prestressing force carbon fiber plate tensioning equipment | |
| CN205206350U (en) | Prestressing force carbon fiber plate stretch -draw anchor | |
| CN102002911B (en) | Carbon fiber cable strand inner sleeve conical bonded anchorage device | |
| CN100480482C (en) | External transverse prestressed steel reinforced concrete beam | |
| CN104005343B (en) | A kind of bridge prestress carbon fiber board tension anchor system device | |
| CN203769342U (en) | Rigid self-locking pre-stress carbon fiber plate anchoring system | |
| CN203007856U (en) | External prestressing reinforcement system for hollow slab girder bridge | |
| CN103628477B (en) | A kind of prestressing force charger for glass fiber-reinforced polymer anchor pole | |
| CN102322152A (en) | Prestressed carbon fiber board tensioning system and tension reinforcing method | |
| CN204311761U (en) | A kind of prestressed carbon cloth reinforced concrete column tensioning equipment | |
| CN107842210A (en) | The construction package and its method for applying prestressing force of CFRP plate multi-point support prestressed reinforcements | |
| CN109750791A (en) | A kind of assembled large overhanging steel structure | |
| CN202064270U (en) | Steering gear of adjustable prestress | |
| CN107724258B (en) | Prestressing force carbon fiber stretching device | |
| CN102505858B (en) | Pre-stressing carbon-cloth tension system and tension reinforcing method | |
| CN111663447A (en) | Prestressed bending and anchoring device for pre-tensioning precast beam plate and construction method | |
| CN102587585B (en) | Flat turn regulation pre-tightening type directional clamping anchor | |
| KR101182960B1 (en) | Repairing and reinforcing apparatus for slab and repairing and reinforcing method thereof | |
| CN204644869U (en) | Drag-line bridge tower anchoring structure | |
| CN205259459U (en) | Prestressing force carbon fiber plate anchor | |
| CN205223856U (en) | A damping passes power and constructs for bridge concatenation | |
| DE102012003579B3 (en) | Post-tensioning device for chain tracks of electric railways | |
| CN210737389U (en) | Guide beam device with pre-tensioning stress and guide beam assembly | |
| CN204492006U (en) | A kind of fiber composite plate indexable ground tackle | |
| CN210177415U (en) | Highway protective fence |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |