CN106436585A - Pre-stressed steel strand pulling fixture and method for operating same - Google Patents
Pre-stressed steel strand pulling fixture and method for operating same Download PDFInfo
- Publication number
- CN106436585A CN106436585A CN201611096385.1A CN201611096385A CN106436585A CN 106436585 A CN106436585 A CN 106436585A CN 201611096385 A CN201611096385 A CN 201611096385A CN 106436585 A CN106436585 A CN 106436585A
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- section
- slide rail
- steel
- barrel
- intermediate plate
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/28—Concrete reinforced prestressed
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention relates to the technical field of pre-stress, particularly relates to the technical field of bridge engineering, and particularly relates to a pre-stressed steel strand pulling fixture and a method for operating the same. The pre-stressed steel strand pulling fixture comprises a steel strand pulling fixture. A barrel wall of the steel strand pulling fixture comprises a clip section, a slide rail section, a deformation section, a key slot section and a gathering section which are sequentially connected with one another, teeth, slide rails, umbrella-shaped gathering controllers and a gathering control shaft are arranged inside the steel strand pulling fixture, the teeth are arranged on the inner wall of the clip section, the slide rails are arranged on the inner wall of the slide rail section, one end of each umbrella-shaped gathering controller corresponds to the corresponding slide rail, the other end of each umbrella-shaped gathering controller is fixedly connected with a shaft lever of the gathering control shaft, and the distances from the slide rails to the slide rail section of the barrel wall are gradually increased from the clip section to the deformation section. The pre-stressed steel strand pulling fixture with the structure and the method have the advantages that the gathering control shaft can be hammered, so that clamping work can be carried out on steel strand harnesses by the clip section; a wedge-shaped steel plate can be inserted into a key slot of the barrel wall, can be inserted into a gathering control shaft key slot on the gathering control shaft and can be hammered, so that loosening work can be carried out on the steel strand harnesses by the clip section.
Description
Technical field
The present invention relates to technical field of bridge engineering, refer in particular to a kind of prestress wire lashing fixture and operational approach.
Background technology
The deformed bar of Prestressed concrete rigid-frame bridge beam typically adopts steel wire bundle, because duct is long, directly
Perforation is substantially less feasible, and in construction, general employing will be integral for a welding of steel wire bundle, then welds upper reinforcing bar draw ring,
First thinner reinforcing bar is passed through hole, then drive steel wire bundle via, this perforation means one are that welding capacity is big, and two is steel strand wires
After bundle head is soldered, the steel strand wires of minimum 500mm length range lose using value, cut away, and waste very big.
Content of the invention
For problem above, the invention provides a kind of prestress wire lashing fixture and method, by simply striking
Hit the work that can complete to clamp, loosen, its structure is simple, easy to operate.
To achieve these goals, the technical solution used in the present invention is as follows：
A kind of prestress wire lashing fixture, including steel stranded wire penetrating adapter fixture, the barrel of steel stranded wire penetrating adapter fixture by according to
The intermediate plate section of secondary connection, slide rail section, deformation section, keyway section with draw section composition in, the inside of steel stranded wire penetrating adapter fixture be provided with teeth,
Slide rail, umbrella shape are received control device and are received control axle, and on intermediate plate section inwall, on slide rail section inwall, umbrella shape receives control device to slide rail to teeth
One end is connected with slide rail engagement, and umbrella shape is received the control device other end and is fixedly connected with the axostylus axostyle receiving control axle, and slide rail is apart from slide rail section barrel
Distance be gradually increased from intermediate plate section to deformation section direction.
Furthermore, described slide rail adopts T-steel structure, and T-steel is welded on slide rail section inwall.
Furthermore, described umbrella shape receives control device is round steel structure, and umbrella head processes for steel plate, is welded on and receives control axle
On axostylus axostyle, umbrella head and slide rail contact surface are arc structure.
Furthermore, the barrel of described deformation section is provided with the deformation hole of multiple ellipses, and the barrel of keyway section sets
There is barrel keyway, the barrel drawing section in is provided with towing pad.
Furthermore, described control axle of receiving is provided with receipts control shaft key groove, receives control shaft key groove and is correspondingly arranged with barrel keyway.
A kind of operational approach of prestress wire lashing fixture, comprises the following steps：
Step one, the intermediate plate section of prestressing tendon fixture is put in the one end of the steel wire bundle that blanking, volume bundle are completed
In, enter length and be not less than 50mm；
Step 2, impacts, with the mode of hammering, the axostylus axostyle receiving control axle, so that receipts control axial direction steel wire bundle direction is moved, receives control axle
Drive umbrella shape to receive control device constraint slide rail, reach gathering intermediate plate section effect, thus realize intermediate plate section and clamping and be engaged steel wire bundle
Purpose；
Step 3, passes through, with iron wire, the towing pad drawing section in, then iron wire is driven fixture and steel wire bundle to pass through prestressing force
Muscle reserving hole channel, passes from the other end in duct；
Step 4, is inserted from the barrel keyway of keyway section with wedge-shaped steel plate, and inserts the receipts control shaft key groove received on control axle
Interior, by hammer mode, make umbrella shape receive control device and move to the opposite direction of steel wire bundle, it is right that receipts control axle drives umbrella shape to receive control device releasing
The constraint of slide rail, reaches and loosens intermediate plate section effect, thus realizing the purpose that intermediate plate section unclamps steel wire bundle, then takes steel strand wires apart
Connection between lashing fixture and steel wire bundle.
Beneficial effect of the present invention：
The present invention adopts such structure setting, by realizing the clamping work to steel wire bundle for the intermediate plate section to the hammering receiving control axle
Make, then inserted in barrel keyway by wedge-shaped steel plate, and insert in the receipts control shaft key groove received on control axle, by wedge-shaped steel plate
Hammering is realized intermediate plate section and is loosened work to steel wire bundle, and its structure is simple, produces clamping force using slide block, and former using self-locking
Clamping force is maintained by reason always, easy to operate.
Brief description
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is a-a position sectional view in Fig. 1；
Fig. 3 is b-b position sectional view in Fig. 1；
Fig. 4 is c-c position sectional view in Fig. 1；
Fig. 5 is d-d position sectional view in Fig. 1；
Fig. 6 is e-e position sectional view in Fig. 1；
Fig. 7 is f-f position sectional view in Fig. 1；
Fig. 8 is g-g position sectional view in Fig. 1.
1. steel wire bundle；2. intermediate plate section；3. slide rail section；4. slide rail；5. umbrella shape receives control device；6. receive control axle；7. deformation section；8.
Deformation hole；9. barrel keyway；10. receive control shaft key groove；11. keyway sections；12. gathering sections；13. towing pads；20. teeth.
Specific embodiment
With embodiment, technical scheme is illustrated below in conjunction with the accompanying drawings.
As shown in Figures 1 to 8, a kind of prestress wire lashing fixture of the present invention, including steel stranded wire penetrating adapter fixture,
The barrel of steel stranded wire penetrating adapter fixture by the intermediate plate section 2 being sequentially connected, slide rail section 3, deformation section 7, keyway section 11 and draws 12 groups of section in
Become, the inside of steel stranded wire penetrating adapter fixture is provided with teeth 20, slide rail 4, umbrella shape receipts control device 5 and receives control axle 6, and teeth 20 are located at intermediate plate section
On 2 inwalls, slide rail 4 on slide rail section 3 inwall, received control device 5 one end and be connected with slide rail 4 engagement, and it is another that umbrella shape receives control device 5 by umbrella shape
End with receive control axle 6 axostylus axostyle be fixedly connected, slide rail 4 apart from slide rail section 3 barrel distance from intermediate plate section 2 to deformation section 7 direction by
Cumulative big.The above constitutes basic structure of the present invention.
The present invention adopts such structure setting, its operation principle：Steel wire bundle 1 is inserted steel strand wires from intermediate plate section 2 end
The inside of lashing fixture, can preferably clamp steel wire bundle by the teeth 20 on intermediate plate section 2 inwall, because umbrella shape is received
Control device 5 one end is connected with slide rail 4 engagement, and the other end is fixedly connected with the axostylus axostyle receiving control axle 6, so the axostylus axostyle of control axle 6 is received in hammering
Can drive umbrella shape receive control device 5 move because slide rail 4 apart from slide rail section 3 barrel distance from intermediate plate section 2 to deformation section 7 direction
It is gradually increased, so playing the effect of constraint slide rail 4 when umbrella shape receipts control device 5 slides on slide rail 4, thus realizing drawing intermediate plate in
Section 2 effects, and realize the purpose that intermediate plate section 2 clamps and is engaged steel wire bundle 1, its structure is simple, produces clamping force using slide block,
And using self-lock mechanism, clamping force is maintained always, easy to operate.The present invention adopts intermediate plate section 2, slide rail section 3, deformation section 7, key
Groove section 11 is arranged with drawing section 12 integrative-structure in.
More specifically, described slide rail 4 adopts T-steel structure, and T-steel is welded on slide rail section 3 inwall.
More specifically, described umbrella shape receives control device 5 is round steel structure, and umbrella head processes for steel plate, is welded on receipts control axle 6
Axostylus axostyle on, umbrella head and slide rail contact surface are arc structure.
More specifically, the barrel of described deformation section 7 is provided with the deformation hole 8 of multiple ellipses, its role is to reduce
The width of barrel herein, plays buffering and increases the ability that its deformation adapts to, the barrel of keyway section 11 is provided with barrel keyway 9, tears open
Unload by using wedging open realization in steel plate insertion barrel keyway 9 during steel wire bundle, the barrel drawing section 12 in is provided with towing pad 13.
It is easy to steel wire and pass through towing pad 13.
More specifically, described control axle 6 of receiving is provided with receipts control shaft key groove 10, receives control shaft key groove 10 corresponding with barrel keyway 9
Setting.Its Main Function is, is inserted from the barrel keyway 9 of keyway section 11 with wedge-shaped steel plate, and inserts the receipts received on control axle 6
In control shaft key groove 10, by hammer mode, make umbrella shape receive control device 5 and move to the opposite direction of steel wire bundle 1, receive control axle 6 and drive umbrella
Shape receipts control device 5 releases the constraint to slide rail 4, reaches and loosens intermediate plate section 2 effect, thus realizing intermediate plate section 2 to unclamp steel wire bundle 1
Purpose, then takes the connection between steel stranded wire penetrating adapter fixture and steel wire bundle 1 apart.
A kind of operational approach of prestress wire lashing fixture, comprises the following steps：
Step one, the intermediate plate section of prestressing tendon fixture is put in the one end of the steel wire bundle 1 that blanking, volume bundle are completed
In 2, enter length and be not less than 50mm；
Step 2, impacts, with the mode of hammering, the axostylus axostyle receiving control axle 6, so that receipts control axle 6 is moved to steel wire bundle 1 direction, receives
Control axle 6 drives umbrella shape to receive control device 5 constraint slide rail 4, reaches gathering intermediate plate section 2 effect, thus realize intermediate plate section 2 and clamping and be engaged steel
The purpose of strand bundle 1；
Step 3, passes through, with iron wire, the towing pad 13 drawing section 12 in, then iron wire is driven fixture and steel wire bundle 1 to pass through in advance
Stress rib reserving hole channel, passes from the other end in duct；
Step 4, is inserted from the barrel keyway 9 of keyway section 11 with wedge-shaped steel plate, and inserts the receipts control axle received on control axle 6
In keyway 10, by hammer mode, make umbrella shape receive control device 5 and move to the opposite direction of steel wire bundle 1, receive control axle 6 and drive umbrella shape to receive
Control device 5 releases the constraint to slide rail 4, reaches and loosens intermediate plate section 2 effect, thus realizing the mesh that intermediate plate section 2 unclamps steel wire bundle 1
, then take the connection between steel stranded wire penetrating adapter fixture and steel wire bundle 1 apart.
Above in association with accompanying drawing, embodiments of the invention are described, but the invention is not limited in above-mentioned concrete
Embodiment, above-mentioned specific embodiment is only schematically, rather than restricted, those of ordinary skill in the art
Under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection, also can make a lot
Form, these belong within protection scope of the present invention.
Claims (6)
1. a kind of prestress wire lashing fixture, including steel stranded wire penetrating adapter fixture it is characterised in that described steel stranded wire penetrating adapter presss from both sides
The barrel of tool is made up of with drawing section (12) in the intermediate plate section (2) being sequentially connected, slide rail section (3), deformation section (7), keyway section (11),
The inside of described steel stranded wire penetrating adapter fixture is provided with teeth (20), slide rail (4), umbrella shape receives control device (5) and receipts control axle (6), described tooth
On intermediate plate section (2) inwall, on slide rail section (3) inwall, described umbrella shape receives control device (5) to described slide rail (4) to tooth (20)
End is connected with slide rail (4) engagement, and described umbrella shape is received control device (5) other end and is fixedly connected with the axostylus axostyle receiving control axle (6), described slide rail
(4) distance apart from slide rail section (3) barrel is gradually increased from intermediate plate section (2) to deformation section (7) direction.
2. a kind of prestress wire lashing fixture according to claim 1 is it is characterised in that described slide rail (4) adopts T
Formed steel construction, T-steel is welded on slide rail section (3) inwall.
3. a kind of prestress wire lashing fixture according to claim 1 is it is characterised in that described umbrella shape receives control device
(5) it is round steel structure, umbrella head processes for steel plate, is welded on the axostylus axostyle receiving control axle (6), umbrella head and slide rail contact surface are circle
Arc structure.
4. a kind of prestress wire lashing fixture according to claim 1 is it is characterised in that described deformation section (7)
Barrel is provided with the deformation hole (8) of multiple ellipses, and the barrel of described keyway section (11) is provided with barrel keyway (9), described receipts
The barrel holding together section (12) is provided with towing pad (13).
5. a kind of prestress wire lashing fixture according to claim 1 is it is characterised in that on described receipts control axle (6)
It is provided with receipts control shaft key groove (10), described receipts control shaft key groove (10) are correspondingly arranged with barrel keyway (9).
6. a kind of operational approach of prestress wire lashing fixture according to claims 1 to 4 is it is characterised in that wrap
Include following steps：
Step one, the intermediate plate section of prestressing tendon fixture is put in the one end of the steel wire bundle (1) that blanking, volume bundle are completed
(2), in, enter length and be not less than 50mm；
Step 2, impacts, with the mode of hammering, the axostylus axostyle receiving control axle (6), so that receipts control axle (6) is moved to steel wire bundle (1) direction,
Receiving control axle (6) drives umbrella shape to receive control device (5) constraint slide rail (4), reaches gathering intermediate plate section (2) effect, thus realizing intermediate plate section (2)
Clamp and be engaged the purpose of steel wire bundle (1)；
Step 3, passes through, with iron wire, the towing pad (13) drawing section (12) in, then iron wire is driven fixture and steel wire bundle (1) to pass through
Presstressed reinforcing steel reserving hole channel, passes from the other end in duct；
Step 4, is inserted from the barrel keyway (9) of keyway section (11) with wedge-shaped steel plate, and inserts the receipts control received in control axle (6)
In shaft key groove (10), by hammer mode, make umbrella shape receive control device (5) and move to the opposite direction of steel wire bundle (1), receive control axle (6)
Drive umbrella shape to receive the constraint to slide rail (4) for control device (5) releasing, reach and loosen intermediate plate section (2) effect, thus realizing intermediate plate section (2)
Unclamp the purpose of steel wire bundle (1), then take the connection between steel stranded wire penetrating adapter fixture and steel wire bundle (1) apart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611096385.1A CN106436585B (en) | 2016-12-02 | 2016-12-02 | A kind of prestress wire lashing fixture and operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611096385.1A CN106436585B (en) | 2016-12-02 | 2016-12-02 | A kind of prestress wire lashing fixture and operating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106436585A true CN106436585A (en) | 2017-02-22 |
| CN106436585B CN106436585B (en) | 2018-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611096385.1A Active CN106436585B (en) | 2016-12-02 | 2016-12-02 | A kind of prestress wire lashing fixture and operating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106436585B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108342985A (en) * | 2018-01-22 | 2018-07-31 | 中铁十五局集团有限公司 | Reverse pipe penetrating method for steel strand |
| CN113235453A (en) * | 2021-06-17 | 2021-08-10 | 中铁十八局集团有限公司 | High-efficiency prestressed steel strand traction head |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173546A (en) * | 2007-11-22 | 2008-05-07 | 广西壮族自治区公路桥梁工程总公司 | Cable reeving device and its reeving method |
| KR20090126751A (en) * | 2008-06-05 | 2009-12-09 | 심상신 | Steel wire insertion apparatus |
| CN101664962A (en) * | 2009-09-14 | 2010-03-10 | 中铁十局集团有限公司 | Threading device for rubber pipes |
| KR100991870B1 (en) * | 2010-02-09 | 2010-11-04 | 추태헌 | Spacer for strand of prestressed concrete girder |
| CN103669214A (en) * | 2013-11-19 | 2014-03-26 | 中建三局建设工程股份有限公司 | Superlong prestress strand combing, binding and strand pulling integrated device |
| CN204109139U (en) * | 2014-09-23 | 2015-01-21 | 中铁十四局集团有限公司 | Steel wire bounder |
| CN204475181U (en) * | 2014-12-26 | 2015-07-15 | 中山市睿望达精密科技有限公司 | Steel strand pulling machine |
| CN105649341A (en) * | 2016-01-11 | 2016-06-08 | 中国建筑第二工程局有限公司 | Long-distance steel strand pulling device and pulling construction method |
| CN205394822U (en) * | 2016-03-14 | 2016-07-27 | 中交一公局第一工程有限公司 | Machine is worn to restraint by whole bundle of steel strand wires |
| CN205476523U (en) * | 2016-03-30 | 2016-08-17 | 重庆建工第十一建筑工程有限责任公司 | Bundle combing, knitting and lashing device for steel strand |
| CN205636518U (en) * | 2016-03-10 | 2016-10-12 | 中铁六局集团有限公司 | Instrument is worn to restraint by prestress wire |
| CN206245219U (en) * | 2016-12-02 | 2017-06-13 | 中交第二航务工程勘察设计院有限公司 | A kind of prestress wire lashing fixture |
-
2016
- 2016-12-02 CN CN201611096385.1A patent/CN106436585B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101173546A (en) * | 2007-11-22 | 2008-05-07 | 广西壮族自治区公路桥梁工程总公司 | Cable reeving device and its reeving method |
| KR20090126751A (en) * | 2008-06-05 | 2009-12-09 | 심상신 | Steel wire insertion apparatus |
| CN101664962A (en) * | 2009-09-14 | 2010-03-10 | 中铁十局集团有限公司 | Threading device for rubber pipes |
| KR100991870B1 (en) * | 2010-02-09 | 2010-11-04 | 추태헌 | Spacer for strand of prestressed concrete girder |
| CN103669214A (en) * | 2013-11-19 | 2014-03-26 | 中建三局建设工程股份有限公司 | Superlong prestress strand combing, binding and strand pulling integrated device |
| CN204109139U (en) * | 2014-09-23 | 2015-01-21 | 中铁十四局集团有限公司 | Steel wire bounder |
| CN204475181U (en) * | 2014-12-26 | 2015-07-15 | 中山市睿望达精密科技有限公司 | Steel strand pulling machine |
| CN105649341A (en) * | 2016-01-11 | 2016-06-08 | 中国建筑第二工程局有限公司 | Long-distance steel strand pulling device and pulling construction method |
| CN205636518U (en) * | 2016-03-10 | 2016-10-12 | 中铁六局集团有限公司 | Instrument is worn to restraint by prestress wire |
| CN205394822U (en) * | 2016-03-14 | 2016-07-27 | 中交一公局第一工程有限公司 | Machine is worn to restraint by whole bundle of steel strand wires |
| CN205476523U (en) * | 2016-03-30 | 2016-08-17 | 重庆建工第十一建筑工程有限责任公司 | Bundle combing, knitting and lashing device for steel strand |
| CN206245219U (en) * | 2016-12-02 | 2017-06-13 | 中交第二航务工程勘察设计院有限公司 | A kind of prestress wire lashing fixture |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108342985A (en) * | 2018-01-22 | 2018-07-31 | 中铁十五局集团有限公司 | Reverse pipe penetrating method for steel strand |
| CN113235453A (en) * | 2021-06-17 | 2021-08-10 | 中铁十八局集团有限公司 | High-efficiency prestressed steel strand traction head |
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| Publication number | Publication date |
|---|---|
| CN106436585B (en) | 2018-03-20 |
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