CN204435929U - A kind of pre-stressed carbon fiber plate tensioning equipment - Google Patents

A kind of pre-stressed carbon fiber plate tensioning equipment Download PDF

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Publication number
CN204435929U
CN204435929U CN201420843283.1U CN201420843283U CN204435929U CN 204435929 U CN204435929 U CN 204435929U CN 201420843283 U CN201420843283 U CN 201420843283U CN 204435929 U CN204435929 U CN 204435929U
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China
Prior art keywords
bearing
carbon fiber
plate
stretch
draw
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Withdrawn - After Issue
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CN201420843283.1U
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Chinese (zh)
Inventor
陈竞
庞忠华
杨立中
区锡祥
全昭忠
李东平
陆绍辉
周庠天
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Liuzhou OVM Machinery Co Ltd
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Liuzhou OVM Machinery Co Ltd
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Priority to CN201420843283.1U priority Critical patent/CN204435929U/en
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Abstract

A kind of pre-stressed carbon fiber plate tensioning equipment, comprise carbon beaverboard anchorage, stretch-draw jack and tensioning equipment assisted by the pre-stressed carbon fiber plate that is made up of pressing plate, fixed end bearing, stretch-draw baffle plate, tension rod and stretching end bearing, fixed end bearing, stretching end bearing are cuboid, it have respectively four for installing the manhole of chemical anchor bolts; Stretching end bearing both sides respectively have one for installing the circular long through-hole of tension rod; Pressing plate, stretch-draw baffle plate are cuboid, it respectively have two for the manhole of mounting screw; Stretch-draw baffle plate also has the strip rectangular through-hole of a through stretch-draw baffle plate side; Fixed end bearing and stretching end bearing adopt high-strength alloy steel essence type casting moulding; Considerably reduce cost of production, shorten the production cycle.This pre-stressed carbon fiber plate tensioning equipment, by the optimization to structure, improves the stressing conditions of bearing, and its method for the stretch-draw of pre-stressed carbon fiber plate is more reasonable, fully ensure that the performance of carbon fiber board.

Description

A kind of pre-stressed carbon fiber plate tensioning equipment
Technical field
The utility model relates to a kind of tensioning equipment, particularly a kind of pre-stressed carbon fiber plate tensioning equipment.
Background technology
In prior art, concrete structure reinforcement carbon fiber board tensioning equipment all adopts machining, and bearing volume is large, and the production cycle is long, and cost is high, has both added the reinforcement cost of concrete structure, and also the attractive in appearance of rear structure is reinforced in impact.
Publication number is that the patent application technology of CN 103741954 A discloses a kind of carbon fiber board stretch-draw support, this technology has following deficiency: 1, support is without anchor hole, need by support welding at steel structure surface to be strengthened, therefore this technology can only reinforce steel work, concrete structure cannot be used for, range of application is little, poor practicability; 2, this support adopts and is welded and fixed, the stretching force of carbon fiber board is delivered to reinforced structure by weld seam, weld seam is by shearing, consider safety and the carbon fiber board fatigue load of bearing after reinforcing of stretching construction, welding quality requires high, but because the skills involved in the labour of its quality by welding and non-destructive detection personnel affect, there is potential safety hazard.
Notification number is for " the utility application technology of CN1702270A discloses " a kind of prestressed tensioning device for fiber board ", this tensioning equipment adopts base plate and 1 ~ 5 piece of panel clamping carbon fiber board, because panel is not overall, several piece panel is by crab-bolt clamping, uniformity can not be guaranteed, and this device leans on the lines of base plate and panel to increase and carbon fiber board frictional force, the large then lines of thrust can bite carbon fiber board, thrust is little, and the normal pressure that carbon fiber board is subject to is not enough, this anchor type anchorage efficiency coefficient is low, the performance of carbon fiber board is not in full use.
Summary of the invention
The purpose of this utility model is to provide a kind of " the pre-stressed carbon fiber plate tensioning equipment " that be applicable to concrete structure, the carbon beaverboard anchorage of this pre-stressed carbon fiber plate tensioning equipment adopts strand tapered anchorage, anchor slab adopts seamless pipe die-forging forming, fixed end bearing and stretching end bearing are formed by the casting of high strength alloy steel essence, solve in prior art, the stretching end bearing both sides slightness hole adopting machine cutting forming to run into and the problem of four manhole processing difficulties, ensure that the accuracy of form and position of position, hole, also considerably reduce cost of production simultaneously, shorten the production cycle, and by the optimization to structure, improve the stressing conditions of bearing, its method for the stretch-draw of pre-stressed carbon fiber plate is more reasonable, take full advantage of the performance of carbon fiber board.
For solving the problem, the technical solution adopted in the utility model is: a kind of pre-stressed carbon fiber plate tensioning equipment, comprise carbon beaverboard anchorage, stretch-draw jack and pre-stressed carbon fiber plate stretch-draw servicing unit, it is characterized in that: this pre-stressed carbon fiber plate stretch-draw servicing unit comprises pressing plate, fixed end bearing, stretch-draw baffle plate, tension rod and stretching end bearing;
Described fixed end bearing is cuboid, and it has four for installing the manhole II of chemical anchor bolts, there is the rectangular through-hole I of a band fillet centre;
Described stretching end bearing is cuboid, it has four for installing the manhole IV of chemical anchor bolts, and both sides respectively have one for installing the circular long through-hole of tension rod, and there is the rectangular through-hole III of a band fillet centre;
Described pressing plate is cuboid, it has two for the manhole I of mounting screw;
Described stretch-draw baffle plate is cuboid, and with two for installing manhole III and a strip rectangular through-hole II of tension rod, rectangular through-hole II is communicated with and stretch-draw baffle plate side of going directly for the manhole III installing tension rod with one of them;
Described tension rod is cylinder, two end band external screw threads, fixed end bearing and stretching end bearing four sideband fillet;
Described instrument baffle plate is cuboid, it has two for installing the manhole V of tension rod;
Under using state, stretching end bearing and fixed end bearing are assembled to by the chemical anchor bolts implanted and treat ruggedized construction surface, 2 tension rods are each passed through the circular long through-hole of stretching end bearing both sides, tension rod installs stretch-draw baffle plate by fixed end side, opposite side erecting tools baffle plate, there is locking nut at two ends.
The further technical scheme of described a kind of pre-stressed carbon fiber plate tensioning equipment is: in the middle of stretching end bearing two circular long through-holes of described pre-stressed carbon fiber plate stretch-draw servicing unit, have a rectangular boss by endface position.
The fixed end bearing of described pre-stressed carbon fiber plate stretch-draw servicing unit and stretching end bearing adopt high-strength alloy steel essence type casting moulding.
Described carbon beaverboard anchorage adopts strand tapered anchorage, described carbon beaverboard anchorage is made up of anchor slab and intermediate plate, anchor slab is one overall, inside has a wedge shape through hole, intermediate plate be after two-piece type wedge, its wedging anchor slab clamping carbon fiber board with the wedge shape through hole tight fit in anchor slab; The clamping face contacted with carbon fiber board at intermediate plate have one deck make the contact of intermediate plate and carbon fiber board more fully carbon fiber board contact reinforcing material.
Owing to taking above technical scheme, compared with prior art, the utility model a kind of pre-stressed carbon fiber plate tensioning equipment and for the method for pre-stressed carbon fiber plate stretch-draw, there is following characteristics and beneficial effect:
1, carbon beaverboard anchorage adopts strand tapered anchorage, use extruder to carry out the assembling of anchor slab, intermediate plate, and with carbon fiber board adhesive glue supplementary anchorage, make anchorage efficiency coefficient of the present utility model high, can reach more than 0.95, and prior art anchorage efficiency coefficient is all no more than 0.4.
2, the fixed end bearing of this pre-stressed carbon fiber plate stretch-draw servicing unit and stretching end bearing are formed by the casting of high strength alloy steel essence, solve in prior art, the problem of stretching end bearing both sides long through-hole processing difficulties.
3, significantly reduce cost of production, shorten the production cycle.
4, by the optimization to structure, improve the stressing conditions of bearing, avoid the security hidden trouble adopting welding method easily to produce, workmanship is high:
The fixed end bearing 4 of the pre-stressed carbon fiber plate stretch-draw servicing unit of the utility model pre-stressed carbon fiber plate tensioning equipment is cuboid, it has four manholes 401; Described stretching end bearing 8 is cuboid, it has four manholes 801, four pitch of holes arrange rationally, makes prestressing force be delivered to concrete by crab-bolt, and concrete can not be caused because of stress raisers, and cause in stretching process destroyed.By the mode anchoring prestress carbon fiber board of bearing and chemical anchor bolts, instead of welding manner, improve the stressing conditions of bearing, avoid the security hidden trouble adopting welding method easily to produce, workmanship is high.
5, its method for the stretch-draw of pre-stressed carbon fiber plate has following characteristics and beneficial effect is:
1. static load anchoring performance: anchorage efficiency coefficient η >=0.95, overall strain ε >=1.5%;
2. fatigue behaviour: by being the stress upper limit with 65% of carbon fiber board tensile strength standard value, stress amplitude is 100Mpa, the fatigue test that cyclic loading number of times is 2,000,000 times.
3. based on mechanical anchor, reliable, safe, durable.
4. stock utilization is high, the highest desirable 0.65 σ b of tension stress.
Below, in conjunction with the accompanying drawings and embodiments the technical characteristic of a kind of pre-stressed carbon fiber plate tensioning equipment of the utility model is further described.
Accompanying drawing explanation
Fig. 1-1 ~ Fig. 1-2 be the utility model it oneplant pre-stressed carbon fiber plate tensioning equipment overall structure schematic diagram;
Fig. 1-1: front view, the top view of Fig. 1-2: Fig. 1-1;
Fig. 2-1 ~ Fig. 2-4 is fixed end seat structure schematic diagrames:
Fig. 2-1: front view, the left view of Fig. 2-2: Fig. 2-1,
The A-A sectional view of Fig. 2-3: Fig. 2-1, the B-B sectional view of Fig. 2-4: Fig. 2-1;
Fig. 3-1 ~ Fig. 3-3 is pressure plate structure schematic diagrames:
Fig. 3-1: front view, the C-C sectional view of Fig. 3-2: Fig. 3-1, the top view of Fig. 3-3: Fig. 3-1;
Fig. 4-1 ~ Fig. 4-2 is stretch-draw baffle arrangement schematic diagrames:
Fig. 4-1: front view, the D-D sectional view of Fig. 4-2: Fig. 4-1;
Fig. 5-1 ~ Fig. 5-2 is tension rod structural representations:
Fig. 5-1: front view, the E-E sectional view of Fig. 5-2: Fig. 5-1;
Fig. 6-1 ~ Fig. 6-2 is instrument barrier structure schematic diagrames:
Fig. 6-1: front view, the F-F sectional view of Fig. 6-2: Fig. 6-1;
Fig. 7-1 ~ Fig. 7-5 is stretching end seat structure schematic diagrames:
Fig. 7-1: front view, the left view of Fig. 7-2: Fig. 7-1,
The G-G sectional view of Fig. 7-3: Fig. 7-1, the top view of Fig. 7-4: Fig. 7-1;
The H-H sectional view of Fig. 7-5: Fig. 7-1;
Fig. 8-1 ~ Fig. 8-4 is the utility model carbon beaverboard anchorage structural representations:
Fig. 8-1: anchor slab front sectional view, Fig. 8-2: the carbon beaverboard anchorage structural representation having installed carbon fiber board;
Fig. 8-3 ~ Fig. 8-4 is clamping piece structure schematic diagrames:
Fig. 8-3: front view, the top view of Fig. 8-4: Fig. 8-3.
In figure:
1-carbon beaverboard anchorage, 1a-carbon beaverboard anchorage I, 1b-carbon beaverboard anchorage II, 11-anchor slab, the wedge shape through hole on 111-anchor slab, 12-intermediate plate;
2-pressing plate, 201-manhole I;
3-chemical anchor bolts, 4-fixed end bearing, 401-manhole II, 402-rectangular through-hole I; 5-carbon fiber board;
6-stretch-draw baffle plate, 601-manhole III, 602-rectangular through-hole II;
7-tension rod, 701-, 702-external screw thread;
Boss on the circular long through-hole of 8 stretching end bearings, 801-manhole IV, 802-, 803-rectangular through-hole III, 804-stretching end bearing;
9-jack, 10-instrument baffle plate, 101-manhole V.
Detailed description of the invention
A kind of pre-stressed carbon fiber plate tensioning equipment, as shown in Figure 1, this pre-stressed carbon fiber plate tensioning equipment comprises carbon beaverboard anchorage 1, stretch-draw jack 9 and pre-stressed carbon fiber plate stretch-draw servicing unit, and this pre-stressed carbon fiber plate stretch-draw servicing unit comprises pressing plate 2, fixed end bearing 4, stretch-draw baffle plate 6, tension rod 7 and stretching end bearing 8;
Described carbon beaverboard anchorage is made up of anchor slab 11 and intermediate plate 12, anchor slab is an entirety, inside there is a wedge shape through hole 111, intermediate plate be after two-piece type wedge, its wedging anchor slab clamping carbon fiber board with the wedge shape through hole tight fit (see Fig. 8-1 ~ Fig. 8-4) in anchor slab, the clamping face contacted with carbon fiber board at intermediate plate have one deck make the contact of intermediate plate and carbon fiber board more fully carbon fiber board contact reinforcing material; This reinforcing material can be one deck carbon fiber board adhesive glue or other adhesive that spread upon intermediate plate clamping face; Anchor slab adopts seamless pipe die-forging forming, and the one as the utility model embodiment converts, and again through machining after anchor slab also can adopt round steel to forge, but cost is higher, preferentially adopts die-forging forming, and intermediate plate adopts steel plate machine machine-shaping.
As shown in Fig. 2-1 ~ Fig. 2-4, described fixed end bearing 4 is cuboid, and it has four for installing the manhole II 401 of chemical anchor bolts 3, there is the rectangular through-hole I 402 of a band fillet centre;
Described stretching end bearing 8 is cuboid, it also there are four for installing the manhole IV 801 of chemical anchor bolts 3, both sides respectively have one for installing the circular long through-hole 802 of tension rod 7, the middle rectangular through-hole III 803 also having a band fillet, fixed end bearing 4 and stretching end bearing 8 four sideband fillet (see Fig. 7-1 ~ Fig. 7-5);
Described pressing plate 2 is cuboid, it has two for manhole I 201(of mounting screw see Fig. 3-1 ~ Fig. 3-3);
Described stretch-draw baffle plate 6 is cuboid, with two for installing manhole III 601 and a strip rectangular through-hole II 602 of tension rod 7, rectangular through-hole II 602 is communicated with and stretch-draw baffle plate 6 one sides of going directly for the manhole III 601 installing tension rod 7 with one of them, so that carbon fiber board installs (see Fig. 4-1 ~ Fig. 4-2);
Described tension rod 7 is cylinder, and two end band external screw threads 701,702(are see Fig. 5-1 ~ Fig. 5-2);
Described instrument baffle plate 10 is also cuboid, it has two for installing manhole V 101(of tension rod 7 see Fig. 6-1 ~ Fig. 6-2);
In the middle of stretching end bearing two circular long through-holes, there is a rectangular boss 804(see Fig. 7-2 ~ Fig. 7-3 by endface position); This boss can increase the contact surface of jack piston and stretching end bearing, under the prerequisite reducing bearing volume as far as possible, does not affect the power transmission of jack and bearing, fixed end bearing 4 and stretching end bearing 8 four sideband fillet.
Under using state, stretching end bearing 8 and fixed end bearing 4 are assembled to by the chemical anchor bolts implanted and treat ruggedized construction surface, 2 tension rods 7 are each passed through the circular long through-hole 802 of stretching end bearing 8 both sides, tension rod 7 installs stretch-draw baffle plate 6 by fixed end side, opposite side erecting tools baffle plate 10, two ends nut check.
The fixed end bearing of a kind of pre-stressed carbon fiber plate of the utility model tensioning equipment and stretching end bearing adopt high-strength alloy steel essence type casting moulding; Solve preferably in prior art, the problem of stretching end bearing both sides long through-hole processing difficulties.

Claims (4)

1. a pre-stressed carbon fiber plate tensioning equipment, comprise carbon beaverboard anchorage (1), stretch-draw jack (9) and pre-stressed carbon fiber plate stretch-draw servicing unit, it is characterized in that: this pre-stressed carbon fiber plate stretch-draw servicing unit comprises pressing plate (2), fixed end bearing (4), stretch-draw baffle plate (6), tension rod (7) and stretching end bearing (8);
Described fixed end bearing (4) is cuboid, and it has four for installing the manhole II (401) of chemical anchor bolts (3), there is the rectangular through-hole I (402) of a band fillet centre;
Described stretching end bearing (8) is cuboid, it there are four for installing the manhole IV (801) of chemical anchor bolts (3), both sides respectively have one for installing the circular long through-hole (802) of tension rod (7), and there is the rectangular through-hole III (803) of a band fillet centre;
Described pressing plate (2) is cuboid, it has two for the manhole I (201) of mounting screw;
Described stretch-draw baffle plate (6) is cuboid, with two for installing manhole III (601) and a strip rectangular through-hole II (602) of tension rod (7), rectangular through-hole II (602) is communicated with and stretch-draw baffle plate (6) sides of going directly for the manhole III (601) installing tension rod (7) with one of them;
Described tension rod (7) is cylinder, two end band external screw threads (701,702);
Instrument baffle plate (10) is also cuboid, it has two for installing the manhole V (101) of tension rod (7);
Under using state, stretching end bearing (8) and fixed end bearing (4) are assembled to by the chemical anchor bolts implanted and treat ruggedized construction surface, 2 tension rods (7) are each passed through the circular long through-hole (802) of stretching end bearing (8) both sides, tension rod (7) installs stretch-draw baffle plate (6) by fixed end side, opposite side erecting tools baffle plate (10), there is locking nut at two ends.
2. a kind of pre-stressed carbon fiber plate tensioning equipment according to claim 1, is characterized in that: in the middle of stretching end bearing two circular long through-holes of described pre-stressed carbon fiber plate stretch-draw servicing unit, have a rectangular boss (804) by endface position.
3. a kind of pre-stressed carbon fiber plate tensioning equipment according to claim 1 and 2, is characterized in that: the fixed end bearing of described pre-stressed carbon fiber plate stretch-draw servicing unit and stretching end bearing adopt high-strength alloy steel essence type casting moulding.
4. a kind of pre-stressed carbon fiber plate tensioning equipment according to claim 1, it is characterized in that: described carbon beaverboard anchorage (1) adopts strand tapered anchorage, described carbon beaverboard anchorage is made up of anchor slab (11) and intermediate plate (12), anchor slab is an entirety, inside have a wedge shape through hole (111), intermediate plate be two-piece type wedge, its wedging anchor slab clamping carbon fiber board after with the wedge shape through hole tight fit in anchor slab; The clamping face contacted with carbon fiber board at intermediate plate have one deck make the contact of intermediate plate and carbon fiber board more fully carbon fiber board contact reinforcing material.
CN201420843283.1U 2014-12-26 2014-12-26 A kind of pre-stressed carbon fiber plate tensioning equipment Withdrawn - After Issue CN204435929U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104631851A (en) * 2014-12-26 2015-05-20 柳州欧维姆机械股份有限公司 Prestressed carbon fiber plate tensioning device and method for tensioning prestressed carbon fiber plate
CN105064694A (en) * 2015-08-06 2015-11-18 湖南大学 Tensioning device for applying pretensioning force to fiber cloth materials and tensioning method of tensioning device
CN106382011A (en) * 2016-11-09 2017-02-08 陕西通宇新材料有限公司 Tensioning-anchoring system and method for prestressed carbon fiber plate of concrete structure
CN108824829A (en) * 2018-05-28 2018-11-16 广东工业大学 A kind of method of pre-stressed carbon fiber plate tensioning equipment and reinforcing steel beam
US10689870B2 (en) * 2016-05-20 2020-06-23 Southeast University Automatic tensioning system and method for strengthening beam, slab and column by pre-stressed FRP plate

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104631851A (en) * 2014-12-26 2015-05-20 柳州欧维姆机械股份有限公司 Prestressed carbon fiber plate tensioning device and method for tensioning prestressed carbon fiber plate
CN104631851B (en) * 2014-12-26 2016-09-14 柳州欧维姆机械股份有限公司 A kind of pre-stressed carbon fiber plate tensioning equipment and the method for pre-stressed carbon fiber plate stretch-draw thereof
CN105064694A (en) * 2015-08-06 2015-11-18 湖南大学 Tensioning device for applying pretensioning force to fiber cloth materials and tensioning method of tensioning device
US10689870B2 (en) * 2016-05-20 2020-06-23 Southeast University Automatic tensioning system and method for strengthening beam, slab and column by pre-stressed FRP plate
CN106382011A (en) * 2016-11-09 2017-02-08 陕西通宇新材料有限公司 Tensioning-anchoring system and method for prestressed carbon fiber plate of concrete structure
CN106382011B (en) * 2016-11-09 2018-07-06 陕西交科新材料有限公司 Concrete structure pre-stressed carbon fiber plate tensioning rollering fastening system and method
CN108824829A (en) * 2018-05-28 2018-11-16 广东工业大学 A kind of method of pre-stressed carbon fiber plate tensioning equipment and reinforcing steel beam
CN108824829B (en) * 2018-05-28 2020-12-08 广东工业大学 Prestressed carbon fiber plate tensioning device and method for reinforcing steel beam

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