CN103806673A - Carbon fiber sheet stretching-drawing device for concrete column strengthening treatment - Google Patents
Carbon fiber sheet stretching-drawing device for concrete column strengthening treatment Download PDFInfo
- Publication number
- CN103806673A CN103806673A CN201410055957.6A CN201410055957A CN103806673A CN 103806673 A CN103806673 A CN 103806673A CN 201410055957 A CN201410055957 A CN 201410055957A CN 103806673 A CN103806673 A CN 103806673A
- Authority
- CN
- China
- Prior art keywords
- carbon cloth
- lever
- anchoring
- guide rod
- anchoring part
- 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.)
- Granted
Links
Images
Abstract
The invention relates to a carbon fiber sheet stretching-drawing device for concrete column strengthening treatment. A lever principle is adopted for the carbon fiber sheet stretching-drawing device, carbon fiber sheets can be stretched or drawn through a quite simple structure, a mechanical power device is not required for conducting stretching-drawing operation, and the stretching-drawing operation can be completed through manpower. The carbon fiber sheet stretching-drawing device has the advantages of being simple in structure, small in device dead load and small in damage to a structure body during installation and erecting, the power device is not required, the stretching-drawing operation of the carbon fiber sheets can be manually completed, and the carbon fiber sheet stretching-drawing device is convenient to disassemble and high in construction efficiency.
Description
Technical field
The present invention relates to a kind of reinforcement of concrete post technology, relate in particular to a kind of carbon cloth tensioning equipment for reinforcement of concrete post punishment.
Background technology
Prior art is in the time reinforcing concrete column, wherein a kind of means are to lay and be applied with prestressed carbon cloth on concrete column surface, active force by carbon cloth plays reinforcement effect to concrete column, suppress generation and the development in crack on concrete column, improve supporting capacity and the application life of concrete column.
In aforesaid reinforcing Treatment Scheme, need to use carbon cloth tensioning equipment, there are problems in existing carbon cloth tensioning equipment: reinforces requirement in order to meet in use, need to apply larger prestressing force to carbon cloth, existing carbon cloth tensioning equipment generally all adopts the mode of directly pullling to carry out stretch-draw to carbon cloth, therefore need to draw carbon cloth by power-equipment, the employing of power-equipment again and then cause the complicated and heavy-duty of carbon cloth tensioning equipment structure, set up early stage with the workload of later stage dismounting carbon cloth tensioning equipment and be almost equivalent to a minor works, particularly for some small-sized reinforcing projects, improve greatly construction cost, and because the deadweight of carbon cloth tensioning equipment is larger, for guarantee carbon cloth tensioning equipment install time stability, many anchor points need to be set on structure to be reinforced, cause structure damage larger, this just runs counter to the object of reinforcing punishment itself.
Summary of the invention
For the problem in background technology, the present invention proposes a kind of carbon cloth tensioning equipment for reinforcement of concrete post punishment, its structure is: described carbon cloth tensioning equipment is made up of four anchoring parts, two levers, two guide rods, a draw bar, two screw shells, two guide cylinders and two pull cylinder; Four anchoring parts are arranged at concrete column surface, and the position of four anchoring parts forms four summits of a rectangle, and four anchoring parts are circumferentially designated as respectively the first anchoring part, the second anchoring part, the 3rd anchoring part and the 4th anchoring part by rectangle; The inner of the first guide rod and the first anchoring part are rotationally connected, and the inner of the second guide rod and the second anchoring part are rotationally connected; The inner of the first lever and the 4th anchoring part are rotationally connected, and the inner of the second lever and the 3rd anchoring part are rotationally connected; The rotational plane of lever and guide rod is parallel to each other and parallel with the line direction between the first anchoring part and the 4th anchoring part; Described guide rod surface is provided with external screw thread; In the endoporus of screw shell, be provided with the internal thread mating with the external screw thread on guide rod, screw shell is socketed on guide rod; The middle part of screw shell external surface is provided with annular groove, and guide cylinder is socketed in annular groove, between screw shell and guide cylinder, can relatively rotate; Guide cylinder external surface on the first guide rod and the outer end of the first lever are rotationally connected, and the guide cylinder external surface on the second guide rod and the outer end of the second lever are rotationally connected; Two pull cylinder are socketed in respectively on two levers, and pull cylinder can slide axially along lever; Draw bar two ends are connected with the surface of two pull cylinder respectively, draw bar axially with lever shaft to vertical.
The principle of aforementioned means is: in device, the structure being formed by lever and anchoring part is a leverage, depend on this leverage, can apply device under the condition of low-force, make carbon cloth obtain larger prestressing force, only depend on manpower just can meet stretch-draw needs, do not need power-equipment, simplify widely the structure of carbon cloth tensioning equipment, also reduced significantly the deadweight of device simultaneously, indirectly also just make the work of setting up of carbon cloth tensioning equipment be simplified, correspondingly, also just alleviated and treated the damage that enhanced structure causes because of spanning equipment, greatly improve the efficiency of construction of reinforcing punishment, device is easy to installation and removal, extremely be beneficial to engineering application.
Preferably, described guide rod outer end is provided with annular protrusion, and annular protrusion can prevent that screw shell from deviating from from guide rod.
Preferably, described draw bar is socketed with a cylinder outward.Cylinder can reduce the friction between carbon cloth and draw bar in stretching process.
Based on aforementioned schemes, the invention allows for a kind of reinforcement of concrete post Treatment Methods, related device has carbon cloth tensioning equipment, carbon cloth and backing plate; The structure of described carbon cloth tensioning equipment is: described carbon cloth tensioning equipment is made up of four anchoring parts, two levers, two guide rods, a draw bar, two screw shells, two guide cylinders and two pull cylinder; Four anchoring parts are arranged at concrete column surface, and the position of four anchoring parts forms four summits of a rectangle, and four anchoring parts are circumferentially designated as respectively the first anchoring part, the second anchoring part, the 3rd anchoring part and the 4th anchoring part by rectangle; The inner of the first guide rod and the first anchoring part are rotationally connected, and the inner of the second guide rod and the second anchoring part are rotationally connected; The inner of the first lever and the 4th anchoring part are rotationally connected, and the inner of the second lever and the 3rd anchoring part are rotationally connected; The rotational plane of lever and guide rod is parallel to each other and parallel with the line direction between the first anchoring part and the 4th anchoring part; Described guide rod surface is provided with external screw thread; In the endoporus of screw shell, be provided with the internal thread mating with the external screw thread on guide rod, screw shell is socketed on guide rod; The middle part of screw shell external surface is provided with annular groove, and guide cylinder is socketed in annular groove, between screw shell and guide cylinder, can relatively rotate; Guide cylinder external surface on the first guide rod and the outer end of the first lever are rotationally connected, and the guide cylinder external surface on the second guide rod and the outer end of the second lever are rotationally connected; Two pull cylinder are socketed in respectively on two levers, and pull cylinder can slide axially along lever; Draw bar two ends are connected with the surface of two pull cylinder respectively, draw bar axially with lever shaft to vertical;
The step of reinforcement of concrete post Treatment Methods is: 1) by anchoring means, four anchoring parts are anchored at and are treated on enhanced structure, then set up carbon cloth tensioning equipment; After carbon cloth tensioning equipment sets up, rotate screw shell and make lever outer end be positioned at lowest point;
2) carbon cloth is flattened, then adopt anchoring means that the outer end of carbon cloth is anchored to concrete column surface; By on the inner socket draw bar of carbon cloth, adopt manpower by carbon cloth tensioning, then with backing plate, carbon cloth end and carbon cloth middle part are fixed;
3) smear bonding adhesive in the ruggedized construction surface for the treatment of of carbon cloth inner side;
4) synchronously rotate two screw shells the height of lever outer end is raise, in the process raising at lever outer end height, carbon cloth is by stretch-draw gradually; After the tension of carbon cloth meets the demands, adopt anchoring means that backing plate is anchored to concrete column surface, and make carbon cloth and treat ruggedized construction surface close contact;
5) after adhesive solidification, remove carbon cloth tensioning equipment, reinforcement of concrete post has been punished.
Useful technique effect of the present invention is: simple in structure, device deadweight is little, little to the damage of structure when installation is set up, and does not need power-equipment, can be completed by manpower the stretch-draw operation of carbon cloth, is convenient to remove, and efficiency of construction is high.
Accompanying drawing explanation
Fig. 1, structural representation of the present invention;
Fig. 2, structural representation of the present invention two;
Fig. 3, structural representation of the present invention three;
Fig. 4, use state diagram one of the present invention (before stretch-draw);
Fig. 5, use state diagram two of the present invention (after stretch-draw);
In figure, the corresponding parts of each mark are respectively: anchoring part 1, lever 2, guide rod 3, draw bar 4, screw shell 5, guide cylinder 6, pull cylinder 7, carbon cloth 8, backing plate 9.
The specific embodiment
For a carbon cloth tensioning equipment for reinforcement of concrete post punishment, its structure is: described carbon cloth tensioning equipment is made up of four anchoring parts 1, two levers 2, two guide rods 3, draw bar 4, two screw shells 5, two guide cylinders 6 and two pull cylinder 7; Four anchoring parts 1 are arranged at concrete column surface, and the position of four anchoring parts 1 forms four summits of a rectangle, and four anchoring parts 1 are circumferentially designated as respectively the first anchoring part 1, the second anchoring part 1, the 3rd anchoring part 1 and the 4th anchoring part 1 by rectangle; The inner of the first guide rod 3 and the first anchoring part 1 are rotationally connected, and the inner of the second guide rod 3 and the second anchoring part 1 are rotationally connected; The inner of the first lever 2 and the 4th anchoring part 1 are rotationally connected, and the inner of the second lever 2 and the 3rd anchoring part 1 are rotationally connected; The rotational plane of lever 2 and guide rod 3 is parallel to each other and parallel with the line direction between the first anchoring part 1 and the 4th anchoring part 1; Described guide rod 3 surfaces are provided with external screw thread; In the endoporus of screw shell 5, be provided with the internal thread mating with the external screw thread on guide rod 3, screw shell 5 is socketed on guide rod 3; The middle part of screw shell 5 external surfaces is provided with annular groove, and guide cylinder 6 is socketed in annular groove, between screw shell 5 and guide cylinder 6, can relatively rotate; Guide cylinder 6 external surfaces on the first guide rod 3 and the outer end of the first lever 2 are rotationally connected, and guide cylinder 6 external surfaces on the second guide rod 3 and the outer end of the second lever 2 are rotationally connected; Two pull cylinder 7 are socketed in respectively on two levers 2, and pull cylinder 7 can slide axially along lever 2; Draw bar 4 two ends are connected with the surface of two pull cylinder 7 respectively, and the axial and lever 2 of draw bar 4 is axially vertical.
Further, described guide rod 3 outer ends are provided with annular protrusion, and annular protrusion can prevent that screw shell 5 from deviating from from guide rod 3.
Further, the outer cylinder that is socketed with of described draw bar 4.
A kind of reinforcement of concrete post Treatment Methods, related device has carbon cloth tensioning equipment, carbon cloth 8 and backing plate 9; The structure of described carbon cloth tensioning equipment is: described carbon cloth tensioning equipment is made up of four anchoring parts 1, two levers 2, two guide rods 3, draw bar 4, two screw shells 5, two guide cylinders 6 and two pull cylinder 7; Four anchoring parts 1 are arranged at concrete column surface, and the position of four anchoring parts 1 forms four summits of a rectangle, and four anchoring parts 1 are circumferentially designated as respectively the first anchoring part 1, the second anchoring part 1, the 3rd anchoring part 1 and the 4th anchoring part 1 by rectangle; The inner of the first guide rod 3 and the first anchoring part 1 are rotationally connected, and the inner of the second guide rod 3 and the second anchoring part 1 are rotationally connected; The inner of the first lever 2 and the 4th anchoring part 1 are rotationally connected, and the inner of the second lever 2 and the 3rd anchoring part 1 are rotationally connected; The rotational plane of lever 2 and guide rod 3 is parallel to each other and parallel with the line direction between the first anchoring part 1 and the 4th anchoring part 1; Described guide rod 3 surfaces are provided with external screw thread; In the endoporus of screw shell 5, be provided with the internal thread mating with the external screw thread on guide rod 3, screw shell 5 is socketed on guide rod 3; The middle part of screw shell 5 external surfaces is provided with annular groove, and guide cylinder 6 is socketed in annular groove, between screw shell 5 and guide cylinder 6, can relatively rotate; Guide cylinder 6 external surfaces on the first guide rod 3 and the outer end of the first lever 2 are rotationally connected, and guide cylinder 6 external surfaces on the second guide rod 3 and the outer end of the second lever 2 are rotationally connected; Two pull cylinder 7 are socketed in respectively on two levers 2, and pull cylinder 7 can slide axially along lever 2; Draw bar 4 two ends are connected with the surface of two pull cylinder 7 respectively, and the axial and lever 2 of draw bar 4 is axially vertical;
The step of reinforcement of concrete post Treatment Methods is: 1) by anchoring means, four anchoring parts 1 are anchored at and are treated on enhanced structure, then set up carbon cloth tensioning equipment; After carbon cloth tensioning equipment sets up, rotate screw shell 5 and make lever 2 outer ends be positioned at lowest point;
2) carbon cloth 8 is flattened, then adopt anchoring means that the outer end of carbon cloth 8 is anchored to concrete column surface; By on the inner socket draw bar 4 of carbon cloth 8, adopt manpower by carbon cloth 8 tensionings, then with backing plate 9, carbon cloth 8 ends and carbon cloth 8 middle parts are fixed;
3) smear bonding adhesive in the ruggedized construction surface for the treatment of of carbon cloth 8 inner sides;
4) synchronously rotate two screw shells 5 height of lever 2 outer ends is raise, in the process raising at lever 2 outer end height, carbon cloth 8 is by stretch-draw gradually; After the tension of carbon cloth 8 meets the demands, adopt anchoring means that backing plate 9 is anchored to concrete column surface, and make carbon cloth 8 and treat ruggedized construction surface close contact;
5) after adhesive solidification, remove carbon cloth tensioning equipment, reinforcement of concrete post has been punished.
Claims (4)
1. for a carbon cloth tensioning equipment for reinforcement of concrete post punishment, it is characterized in that: described carbon cloth tensioning equipment is made up of four anchoring parts (1), two levers (2), two guide rods (3), a draw bar (4), two screw shells (5), two guide cylinders (6) and two pull cylinder (7); Four anchoring parts (1) are arranged at concrete column surface, the position of four anchoring parts (1) forms four summits of a rectangle, and four anchoring parts (1) are circumferentially designated as respectively the first anchoring part (1), the second anchoring part (1), the 3rd anchoring part (1) and the 4th anchoring part (1) by rectangle;
The inner of the first guide rod (3) and the first anchoring part (1) are rotationally connected, and the inner of the second guide rod (3) and the second anchoring part (1) are rotationally connected; The inner of the first lever (2) and the 4th anchoring part (1) are rotationally connected, and the inner of the second lever (2) and the 3rd anchoring part (1) are rotationally connected; The rotational plane of lever (2) and guide rod (3) is parallel to each other and parallel with the line direction between the first anchoring part (1) and the 4th anchoring part (1); Described guide rod (3) surface is provided with external screw thread;
In the endoporus of screw shell (5), be provided with the internal thread mating with the external screw thread on guide rod (3), screw shell (5) is socketed on guide rod (3); The middle part of screw shell (5) external surface is provided with annular groove, and guide cylinder (6) is socketed in annular groove, between screw shell (5) and guide cylinder (6), can relatively rotate; Guide cylinder (6) external surface on the first guide rod (3) and the outer end of the first lever (2) are rotationally connected, and guide cylinder (6) external surface on the second guide rod (3) and the outer end of the second lever (2) are rotationally connected;
It is upper that two pull cylinder (7) are socketed in respectively two levers (2), and pull cylinder (7) can slide axially along lever (2); Draw bar (4) two ends are connected with the surface of two pull cylinder (7) respectively, draw bar (4) axially axially vertical with lever (2).
2. the carbon cloth tensioning equipment for reinforcement of concrete post punishment according to claim 1, is characterized in that: described guide rod (3) outer end is provided with annular protrusion, and annular protrusion can prevent that screw shell (5) from deviating from from guide rod (3).
3. the carbon cloth tensioning equipment for reinforcement of concrete post punishment according to claim 1, is characterized in that: the outer cylinder that is socketed with of described draw bar (4).
4. a reinforcement of concrete post Treatment Methods, is characterized in that: related device has carbon cloth tensioning equipment, carbon cloth (8) and backing plate (9); The structure of described carbon cloth tensioning equipment is: described carbon cloth tensioning equipment is made up of four anchoring parts (1), two levers (2), two guide rods (3), a draw bar (4), two screw shells (5), two guide cylinders (6) and two pull cylinder (7); Four anchoring parts (1) are arranged at concrete column surface, the position of four anchoring parts (1) forms four summits of a rectangle, and four anchoring parts (1) are circumferentially designated as respectively the first anchoring part (1), the second anchoring part (1), the 3rd anchoring part (1) and the 4th anchoring part (1) by rectangle;
The inner of the first guide rod (3) and the first anchoring part (1) are rotationally connected, and the inner of the second guide rod (3) and the second anchoring part (1) are rotationally connected; The inner of the first lever (2) and the 4th anchoring part (1) are rotationally connected, and the inner of the second lever (2) and the 3rd anchoring part (1) are rotationally connected; The rotational plane of lever (2) and guide rod (3) is parallel to each other and parallel with the line direction between the first anchoring part (1) and the 4th anchoring part (1); Described guide rod (3) surface is provided with external screw thread;
In the endoporus of screw shell (5), be provided with the internal thread mating with the external screw thread on guide rod (3), screw shell (5) is socketed on guide rod (3); The middle part of screw shell (5) external surface is provided with annular groove, and guide cylinder (6) is socketed in annular groove, between screw shell (5) and guide cylinder (6), can relatively rotate; Guide cylinder (6) external surface on the first guide rod (3) and the outer end of the first lever (2) are rotationally connected, and guide cylinder (6) external surface on the second guide rod (3) and the outer end of the second lever (2) are rotationally connected;
It is upper that two pull cylinder (7) are socketed in respectively two levers (2), and pull cylinder (7) can slide axially along lever (2); Draw bar (4) two ends are connected with the surface of two pull cylinder (7) respectively, draw bar (4) axially axially vertical with lever (2);
The step of reinforcement of concrete post Treatment Methods is: 1) by anchoring means, four anchoring parts (1) are anchored at and are treated on enhanced structure, then set up carbon cloth tensioning equipment; After carbon cloth tensioning equipment sets up, rotate screw shell (5) and make lever (2) outer end be positioned at lowest point;
2) carbon cloth (8) is flattened, then adopt anchoring means that the outer end of carbon cloth (8) is anchored to concrete column surface; By upper the inner socket draw bar (4) of carbon cloth (8), adopt manpower by carbon cloth (8) tensioning, then use backing plate (9) by fixing to carbon cloth (8) end and carbon cloth (8) middle part;
3) smear bonding adhesive in the ruggedized construction surface for the treatment of of carbon cloth (8) inner side;
4) synchronously rotate two screw shells (5) height of lever (2) outer end is raise, in the process raising at lever (2) outer end height, carbon cloth (8) is by stretch-draw gradually; After the tension of carbon cloth (8) meets the demands, adopt anchoring means that backing plate (9) is anchored to concrete column surface, and make carbon cloth (8) and treat ruggedized construction surface close contact;
5) after adhesive solidification, remove carbon cloth tensioning equipment, reinforcement of concrete post has been punished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410055957.6A CN103806673B (en) | 2014-02-19 | 2014-02-19 | For the carbon cloth tensioning equipment of reinforcement of concrete post punishment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410055957.6A CN103806673B (en) | 2014-02-19 | 2014-02-19 | For the carbon cloth tensioning equipment of reinforcement of concrete post punishment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103806673A true CN103806673A (en) | 2014-05-21 |
| CN103806673B CN103806673B (en) | 2015-09-02 |
Family
ID=50704017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410055957.6A Active CN103806673B (en) | 2014-02-19 | 2014-02-19 | For the carbon cloth tensioning equipment of reinforcement of concrete post punishment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103806673B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004300773A (en) * | 2003-03-31 | 2004-10-28 | Tokyo Tekko Co Ltd | Reinforced concrete column construction method and reinforced column construction structure |
| CN101701497A (en) * | 2009-10-23 | 2010-05-05 | 重庆交通大学 | Method for strengthening concrete column by pre-stressed fiber cloth |
| CN201695347U (en) * | 2010-06-29 | 2011-01-05 | 程东辉 | Prestress carbon fiber sheet stretch-draw device |
| CN201695706U (en) * | 2010-06-29 | 2011-01-05 | 程东辉 | Tensioning device of prestress fiber cloth for reinforcing reinforced concrete column |
| CN101942903A (en) * | 2010-08-16 | 2011-01-12 | 合肥工业大学 | Device for reinforcing concrete beam slab by pretension carbon fiber plate and construction method |
| CN102505858A (en) * | 2011-09-29 | 2012-06-20 | 重庆大学 | Pre-stressing carbon-cloth tension system and tension reinforcing method |
| CN203129624U (en) * | 2013-04-09 | 2013-08-14 | 黑龙江科技学院 | Prestress carbon fiber cloth tensioning device for strengthening oblique section of reinforced concrete beam |
| CN203716519U (en) * | 2014-02-19 | 2014-07-16 | 重庆交通大学 | Carbon fiber cloth tensioning device for strengthening and treatment of concrete column |
-
2014
- 2014-02-19 CN CN201410055957.6A patent/CN103806673B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004300773A (en) * | 2003-03-31 | 2004-10-28 | Tokyo Tekko Co Ltd | Reinforced concrete column construction method and reinforced column construction structure |
| CN101701497A (en) * | 2009-10-23 | 2010-05-05 | 重庆交通大学 | Method for strengthening concrete column by pre-stressed fiber cloth |
| CN201695347U (en) * | 2010-06-29 | 2011-01-05 | 程东辉 | Prestress carbon fiber sheet stretch-draw device |
| CN201695706U (en) * | 2010-06-29 | 2011-01-05 | 程东辉 | Tensioning device of prestress fiber cloth for reinforcing reinforced concrete column |
| CN101942903A (en) * | 2010-08-16 | 2011-01-12 | 合肥工业大学 | Device for reinforcing concrete beam slab by pretension carbon fiber plate and construction method |
| CN102505858A (en) * | 2011-09-29 | 2012-06-20 | 重庆大学 | Pre-stressing carbon-cloth tension system and tension reinforcing method |
| CN203129624U (en) * | 2013-04-09 | 2013-08-14 | 黑龙江科技学院 | Prestress carbon fiber cloth tensioning device for strengthening oblique section of reinforced concrete beam |
| CN203716519U (en) * | 2014-02-19 | 2014-07-16 | 重庆交通大学 | Carbon fiber cloth tensioning device for strengthening and treatment of concrete column |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103806673B (en) | 2015-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102561210B (en) | Carbon fiber bar in-vitro prestressed tensioning device and using method thereof | |
| CN203021015U (en) | Brick clamping machine | |
| CN101701497B (en) | Method for strengthening concrete column by pre-stressed fiber cloth | |
| CN102505858B (en) | Pre-stressing carbon-cloth tension system and tension reinforcing method | |
| CN203716519U (en) | Carbon fiber cloth tensioning device for strengthening and treatment of concrete column | |
| CN105043877A (en) | Novel tensile strength testing device for core sample | |
| CN103806673A (en) | Carbon fiber sheet stretching-drawing device for concrete column strengthening treatment | |
| CN104775629A (en) | Prestress tension method and equipment for self-control fiber cloth | |
| CN204940860U (en) | One prevents Form floating part | |
| CN204019725U (en) | A kind of concrete box girder prestressing force drawing steel stranded wire move back anchor device | |
| CN102206963B (en) | Tensioning device and method for applying prestressing force on high bending moment prestressed concrete electric pole | |
| CN203561549U (en) | Shearing resistance testing clamp | |
| CN205531379U (en) | A can dismantle ground tackle for stretch -draw of prestressing force carbon plate | |
| CN203096731U (en) | Pre-stressed hollow square pile assembly without end plate at one end | |
| CN103790394B (en) | Cylindrical concrete column is laid the method for prestressed carbon cloth | |
| CN107227851A (en) | A kind of detachable anchorage device for prestressing force carbon plate tensioning | |
| CN208792172U (en) | A kind of bridge prestress tensioning equipment | |
| CN203783156U (en) | Self-balancingtensioning device for prestressedcarbon fiber sheet construction | |
| CN204309091U (en) | The automatic attaching/detaching apparatus of a kind of small box girder internal mold | |
| CN203716518U (en) | Prestress carbon fiber cloth laying device | |
| CN203308104U (en) | Prestress tension device of fiber cloth | |
| CN209039982U (en) | A kind of science of bridge building power transmission drawing anchor device | |
| CN206385559U (en) | It is a kind of that there is the quick concrete pedestal for splicing function | |
| CN204691276U (en) | Autocontrol cloth prestress tensioning equipment | |
| CN201808022U (en) | Bearing puller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |