CN109098095B - Auxiliary equipment for preventing reinforcing steel bar stress loss for beam making - Google Patents
Auxiliary equipment for preventing reinforcing steel bar stress loss for beam making Download PDFInfo
- Publication number
- CN109098095B CN109098095B CN201811222698.6A CN201811222698A CN109098095B CN 109098095 B CN109098095 B CN 109098095B CN 201811222698 A CN201811222698 A CN 201811222698A CN 109098095 B CN109098095 B CN 109098095B
- Authority
- CN
- China
- Prior art keywords
- roller shaft
- tool anchor
- auxiliary equipment
- stretching
- fixed
- 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
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 210000004907 gland Anatomy 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011513 prestressed concrete Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses auxiliary equipment for preventing reinforcing steel bar stress loss for beam making, and relates to the technical field of bridge engineering. The invention comprises a fixed seat, wherein two oppositely arranged brackets are fixed on the surface of the fixed seat, a retracting roller shaft is rotatably connected between the two brackets, a driving device is fixed on one side surface of one bracket through a fixed plate, the output end of the driving device is fixedly connected with one end of the retracting roller shaft, and a tool anchor is detachably arranged on the retracting roller shaft; the circumferential surface of the drawing roller shaft is provided with a mounting groove matched with the tool anchor, and the drawing roller shaft is radially provided with steel strand perforation which penetrates through the inner surface of the mounting groove and the circumferential surface of the drawing roller shaft. According to the invention, the steel strand is rolled and pulled after being anchored by the rolling roller, the tool anchor, the working clamping piece and the gland, the prestress stretching is carried out in a rolling mode, the stretching stroke is not limited, the prestress stretching can be completed at one time, the prestress loss is avoided, and the stretching efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of bridge engineering, and particularly relates to auxiliary equipment for preventing reinforcing steel bar stress loss for beam manufacturing.
Background
The prestressed steel strand is a stranded steel cable formed by 2, 3, 7 or 19 high-strength steel wires, is subjected to stress relief treatment (stabilization treatment), is suitable for prestressed concrete or the like, is an indispensable material in bridge engineering, is required to be penetrated into a prestressed pipe of a bridge in the construction of the bridge, is stretched by a stretching device, is sleeved with a conical clamping piece, and is plugged into a hole site of an embedded anchor pad to tension the steel strand by utilizing the rebound of the steel strand after the steel strand is released.
At present, the prestress stretching of the bridge prestress steel strand uses double-head telescopic cylinder equipment, the equipment needs to stretch the steel strand in a segmented prestress due to stroke limitation during stretching, and each segment of stretching can generate certain prestress loss due to rebound of the steel strand, so that the problem that the working is carried out again due to overstep of stress loss frequently occurs in stretching work, and the working efficiency is very low.
Disclosure of Invention
The invention aims to provide reinforcing steel bar stress loss prevention auxiliary equipment for beam making, which solves the problems that the prior prestress stretching equipment needs to perform segmented prestress stretching due to travel limitation, each segment of stretching can generate certain prestress loss, the work is easy to be performed again, and the working efficiency is very low.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to reinforcing steel bar stress loss prevention auxiliary equipment for beam making, which comprises a fixed seat, wherein two opposite brackets are fixed on the surface of the fixed seat, a drawing roller shaft is rotatably connected between the two brackets, one side surface of one bracket is fixed with a driving device through a fixed plate, the output end of the driving device is fixedly connected with one end of the drawing roller shaft, and a tool anchor is detachably arranged on the drawing roller shaft;
the circumference surface of the drawing roller shaft is provided with a mounting groove matched with the tool anchor, and the drawing roller shaft is radially provided with steel strand perforation which penetrates through the inner surface of the mounting groove and the circumference surface of the drawing roller shaft;
the tool anchor is characterized in that a notch is formed in one surface of the tool anchor, a clamping piece mounting hole is formed in the inner surface of the notch, a working clamping piece is matched with the inner surface of the clamping piece mounting hole, a gland is matched with the inner surface of the notch, and the gland is detachably mounted with the tool anchor through a bolt.
Further, a countersunk hole is formed in the surface of the tool anchor, and the inner surface of the countersunk hole is in threaded connection with the roller shaft through a countersunk bolt.
Further, the two ends of the roller shaft are both installed in a matched manner with the bracket through bearings.
Further, the driving device is a servo motor, the servo motor is externally connected with a power supply control box and a prestress intelligent tensioning instrument, and the prestress intelligent tensioning instrument controls the prestress of the steel strand through measuring the torsion of the roller shaft.
Further, a circular opening is formed in the surface of the fixing seat.
Further, bolt fixing holes are formed in the surface of the fixing base.
The invention has the following beneficial effects:
1. according to the invention, the steel strand is rolled and pulled after being anchored by the rolling roller, the tool anchor, the working clamping piece and the gland, the prestress stretching is carried out in a rolling mode, the stretching stroke is not limited, the prestress stretching can be completed at one time, the prestress loss is avoided, and the stretching efficiency is improved.
2. According to the invention, one end of the steel strand is anchored and then only one end of the steel strand is stretched, so that the stretching mode of the two ends of the bridge steel strand is changed, the efficiency is higher, and the use is more convenient.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an auxiliary device for preventing reinforcement stress loss for beam manufacturing according to the present invention;
FIG. 2 is an exploded view of the structure of FIG. 1;
fig. 3 is a schematic diagram of an installation structure of the auxiliary equipment for preventing the reinforcing steel bar stress loss for beam manufacturing in practical application;
fig. 4 is a partial enlarged view at a in fig. 3.
In the drawings, the list of components represented by the various numbers is as follows:
the device comprises a 1-fixing seat, a 2-support, a 3-drawing roller shaft, a 4-driving device, a 5-tool anchor, a 6-working clamping piece, 7-steel strands, an 8-anchor backing plate, a 9-working anchor plate, a 10-clamping piece, an 11-bridge, a 101-circular opening, a 102-bolt fixing hole, a 301-mounting groove, a 302-steel strand perforation, a 501-notch and a 502-gland.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the invention relates to auxiliary equipment for preventing reinforcement stress loss for beam making, which comprises a fixed seat 1, wherein two opposite brackets 2 are fixed on the surface of the fixed seat 1, a retracting roller shaft 3 is rotatably connected between the two brackets 2, a driving device 4 is fixed on one side surface of one bracket 2 through a fixing plate, the output end of the driving device 4 is fixedly connected with one end of the retracting roller shaft 3, and a tool anchor 5 is detachably arranged on the retracting roller shaft 3;
the peripheral surface of the roller shaft 3 is provided with a mounting groove 301 matched with the tool anchor 5, and the roller shaft 3 is radially provided with a steel strand perforation 302 which penetrates through the inner surface of the mounting groove 301 and the peripheral surface of the roller shaft 3;
a notch 501 is formed in one surface of the tool anchor 5, a clamping piece mounting hole is formed in the inner surface of the notch 501, a working clamping piece 6 is matched with the inner surface of the clamping piece mounting hole, a pressing cover 502 is matched with the inner surface of the notch 501, and the pressing cover 502 is detachably mounted with the tool anchor 5 through bolts.
Wherein, the counter bore is offered on instrument anchor 5 surface, and counter bore internal surface passes through counter bolt and receipts pull roller 3 threaded connection.
Wherein, the two ends of the roller shaft 3 are matched and installed with the bracket 2 through bearings.
The driving device 4 is a servo motor, the servo motor is externally connected with a power supply control box and a prestress intelligent tensioning instrument, and the prestress intelligent tensioning instrument controls prestress of the steel strand by measuring torsion of the receiving and pulling roller shaft.
Wherein, circular opening 101 is opened on the surface of fixing base 1.
Wherein, bolt fixing holes 102 are formed on the surface of the fixing base 1.
One specific application of this embodiment is: during operation, one end of the steel strand 7 is anchored with one end of the bridge 11 through the anchor backing plate 8, the working anchor plate 9 and the clamping piece 10, the other end of the steel strand 7 penetrates to the other end of the bridge 11, the other end of the bridge 11 is also provided with the anchor backing plate 8, the working anchor plate 9 and the clamping piece 10, the fixing seat 1 is fixed on the end face of the bridge 11 through bolts, the working anchor plate 9 is clamped between the bridge 11 and the fixing seat 1, the steel strand 7 completely penetrates through the circular opening 101, one end of the steel strand 7 sequentially penetrates through the steel strand perforation 302 of the steel strand receiving roller shaft 3 and the tool anchor 5, the working clamping piece 6 is installed in the clamping piece installation hole of the tool anchor 5, the working clamping piece 6 is anchored with the steel strand 7, the gland 502 is installed through bolts, the working clamping piece 6 is pressed, the driving device 4 is started to drive the steel strand receiving roller shaft 3 to rotate, the steel strand 7 is wound and stretched, after the prestress tensioning reaches the requirement, the tensile end of the steel strand 7 is tightly anchored with the working anchor plate 9 and the clamping piece 10, the steel strand receiving roller shaft 3 is rotated to perform loose force, one piece 7 is pulled in turn, the tool anchor 5 and the tool anchor 3 is pulled by one piece in turn, the extra stretch-off, the extra stretch strand is pulled, the extra strand is pulled, the strand is pulled by the extra stretch, the extra strand is not needed, and the strand is not needed to be pulled, and the extra stretch, the strand is completed, the stretch is not is completed, and the extra stretch, because of the strand is finished, the stretch is finished, and the stretch is also, the stretch is finished.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (3)
1. Auxiliary equipment for preventing reinforcing steel bar stress loss for beam making is characterized in that: the device comprises a fixed seat (1), wherein two supports (2) which are oppositely arranged are fixed on the surface of the fixed seat (1), a drawing roller shaft (3) is rotatably connected between the two supports (2), a driving device (4) is fixed on one side surface of one support (2) through a fixing plate, the output end of the driving device (4) is fixedly connected with one end of the drawing roller shaft (3), and a tool anchor (5) is detachably arranged on the drawing roller shaft (3);
the peripheral surface of the roller (3) is provided with a mounting groove (301) matched with the tool anchor (5), and the roller (3) is radially provided with a steel strand perforation (302) penetrating through the inner surface of the mounting groove (301) and the peripheral surface of the roller (3);
a notch (501) is formed in one surface of the tool anchor (5), a clamping piece mounting hole is formed in the inner surface of the notch (501), a working clamping piece (6) is matched with the inner surface of the clamping piece mounting hole, a gland (502) is matched with the inner surface of the notch (501), and the gland (502) is detachably mounted with the tool anchor (5) through a bolt;
the surface of the tool anchor (5) is provided with a countersunk hole, and the inner surface of the countersunk hole is in threaded connection with the roller (3) of the retracting roller through a countersunk bolt;
both ends of the roller shaft (3) are matched with the bracket (2) through bearings;
the driving device (4) is a servo motor.
2. The auxiliary equipment for preventing reinforcing steel bar stress loss for beam manufacturing according to claim 1, wherein the surface of the fixing seat (1) is provided with a circular opening (101).
3. The auxiliary equipment for preventing reinforcing steel bar stress loss for beam manufacturing according to claim 1, wherein bolt fixing holes (102) are formed in the surface of the fixing base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222698.6A CN109098095B (en) | 2018-10-19 | 2018-10-19 | Auxiliary equipment for preventing reinforcing steel bar stress loss for beam making |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811222698.6A CN109098095B (en) | 2018-10-19 | 2018-10-19 | Auxiliary equipment for preventing reinforcing steel bar stress loss for beam making |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109098095A CN109098095A (en) | 2018-12-28 |
| CN109098095B true CN109098095B (en) | 2023-12-19 |
Family
ID=64869304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811222698.6A Active CN109098095B (en) | 2018-10-19 | 2018-10-19 | Auxiliary equipment for preventing reinforcing steel bar stress loss for beam making |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109098095B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382230B (en) * | 2022-01-25 | 2023-04-14 | 中建鹭港建设有限公司 | Prestressed beam structure and construction method thereof |
| CN114775627B (en) * | 2022-03-25 | 2024-02-02 | 山东旭瑞环境岩土工程勘察设计有限公司 | Recoverable anchor cable |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB725042A (en) * | 1952-05-21 | 1955-03-02 | John Maurice Crom Jr | Method and apparatus for low power tensioned winding of concrete articles |
| CN2082289U (en) * | 1990-03-10 | 1991-08-07 | 陈凤声 | Multi-function double reel stretch-drawing machine |
| JP2000328475A (en) * | 1999-05-13 | 2000-11-28 | Se Corp | Wiring of cable, and device therefor |
| KR100862248B1 (en) * | 2007-06-18 | 2008-10-09 | 경희대학교 산학협력단 | Anchoring apparatus and prestressed structure having the same |
| CN202401772U (en) * | 2011-12-30 | 2012-08-29 | 柳州泰姆预应力机械有限公司 | Supporting lug with clip top pressing and top loosing functions and clip limit |
| CN103726447A (en) * | 2013-12-20 | 2014-04-16 | 中交二航局第四工程有限公司 | Method and system for secondary tensioning of low-retraction anchorage system vertical prestressed steel strands |
| CN205955228U (en) * | 2016-08-24 | 2017-02-15 | 北京中交桥宇科技有限公司 | Prestressing force stretch -draw and anchor of carbon cloth |
| CN107059664A (en) * | 2017-06-19 | 2017-08-18 | 桂林理工大学 | Pre-stressed fiber cloth rotary self-locking formula stretching and anchoring device |
| KR20180009190A (en) * | 2016-07-18 | 2018-01-26 | 한국도로공사 | Device for re-prestressing of anchor |
| CN206941403U (en) * | 2017-05-05 | 2018-01-30 | 中交第二航务工程局有限公司 | Steel wire rope continuously tensioning device |
| CN207775718U (en) * | 2017-08-21 | 2018-08-28 | 南安市泉建机械科技有限公司 | A kind of pre-stressed bridge deflection adjusting device based on municipal bridge field |
| CN108487070A (en) * | 2018-04-03 | 2018-09-04 | 中交路桥华东工程有限公司 | A kind of construction method of the double-deck interim prestressed tie bar of steel truss arch |
| CN108518074A (en) * | 2018-04-11 | 2018-09-11 | 佛山科学技术学院 | A kind of mounting structure of pre-stress floor |
| CN208995934U (en) * | 2018-10-19 | 2019-06-18 | 佛山科学技术学院 | A kind of beam processed anti-reinforcement stresses loss ancillary equipment |
-
2018
- 2018-10-19 CN CN201811222698.6A patent/CN109098095B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB725042A (en) * | 1952-05-21 | 1955-03-02 | John Maurice Crom Jr | Method and apparatus for low power tensioned winding of concrete articles |
| CN2082289U (en) * | 1990-03-10 | 1991-08-07 | 陈凤声 | Multi-function double reel stretch-drawing machine |
| JP2000328475A (en) * | 1999-05-13 | 2000-11-28 | Se Corp | Wiring of cable, and device therefor |
| KR100862248B1 (en) * | 2007-06-18 | 2008-10-09 | 경희대학교 산학협력단 | Anchoring apparatus and prestressed structure having the same |
| CN202401772U (en) * | 2011-12-30 | 2012-08-29 | 柳州泰姆预应力机械有限公司 | Supporting lug with clip top pressing and top loosing functions and clip limit |
| CN103726447A (en) * | 2013-12-20 | 2014-04-16 | 中交二航局第四工程有限公司 | Method and system for secondary tensioning of low-retraction anchorage system vertical prestressed steel strands |
| KR20180009190A (en) * | 2016-07-18 | 2018-01-26 | 한국도로공사 | Device for re-prestressing of anchor |
| CN205955228U (en) * | 2016-08-24 | 2017-02-15 | 北京中交桥宇科技有限公司 | Prestressing force stretch -draw and anchor of carbon cloth |
| CN206941403U (en) * | 2017-05-05 | 2018-01-30 | 中交第二航务工程局有限公司 | Steel wire rope continuously tensioning device |
| CN107059664A (en) * | 2017-06-19 | 2017-08-18 | 桂林理工大学 | Pre-stressed fiber cloth rotary self-locking formula stretching and anchoring device |
| CN207775718U (en) * | 2017-08-21 | 2018-08-28 | 南安市泉建机械科技有限公司 | A kind of pre-stressed bridge deflection adjusting device based on municipal bridge field |
| CN108487070A (en) * | 2018-04-03 | 2018-09-04 | 中交路桥华东工程有限公司 | A kind of construction method of the double-deck interim prestressed tie bar of steel truss arch |
| CN108518074A (en) * | 2018-04-11 | 2018-09-11 | 佛山科学技术学院 | A kind of mounting structure of pre-stress floor |
| CN208995934U (en) * | 2018-10-19 | 2019-06-18 | 佛山科学技术学院 | A kind of beam processed anti-reinforcement stresses loss ancillary equipment |
Non-Patent Citations (2)
| Title |
|---|
| 横索向无转动约束的拉索锚具设计;饶德军, 唐小萍, 黎海宁, 张玉红;公路交通科技(08);全文 * |
| 锚索预紧张拉的综合分析及调整;马红科;金永才;赵海峰;李银业;;陕西水利(05);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109098095A (en) | 2018-12-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109098095B (en) | Auxiliary equipment for preventing reinforcing steel bar stress loss for beam making | |
| WO2015028113A1 (en) | Device for detecting the replacement state of wear of a high-strength fibre rope during use in lifting gear | |
| CN109653531B (en) | External prestress steel strand connector and matched tensioning device | |
| CN110700612A (en) | RC roof beam reinforcing apparatus based on shape memory alloy and carbon fiber cloth | |
| WO2020087887A1 (en) | Early warning apparatus of pre-stressed frp reinforcing structure and ductility regulation method | |
| CN207406031U (en) | A kind of flexibility FRP sheet material pre-stress stretching devices | |
| CN104775629A (en) | Prestress tension method and equipment for self-control fiber cloth | |
| CN112376916A (en) | Prestressed steel cable tensioning and tightening device and construction method | |
| CN208995934U (en) | A kind of beam processed anti-reinforcement stresses loss ancillary equipment | |
| CN201567677U (en) | Stretching device for prestress applying bolt for cable membrane structure | |
| CN111101728A (en) | Carbon fiber reinforced structure stretched by rolling and construction method thereof | |
| CN103147412B (en) | A kind of carbon fibre bar external prestressing stretching and anchoring device and anchoring process | |
| CN109441122A (en) | A kind of prestressed bringing device of I-beam | |
| WO2019170728A1 (en) | Method for introducing prestressed elements into a tower, assembly device, unwinding device and adapter device | |
| CN215374940U (en) | Calibrating device of tensioning device | |
| CN209568718U (en) | A kind of prestressed bringing device of I-beam | |
| CN211312542U (en) | Steel sheet pile foundation pit supporting structure | |
| CN107059664A (en) | Pre-stressed fiber cloth rotary self-locking formula stretching and anchoring device | |
| CN208857709U (en) | A kind of steel strand wires clamping device on bridge prestress tensioning equipment | |
| CN208251646U (en) | Building structure strengthening steel strand wires mesh sheet tensioning fastening assembly | |
| CN204691276U (en) | Autocontrol cloth prestress tensioning equipment | |
| CN217734893U (en) | Iron wire binding device for building construction | |
| CN220412652U (en) | Prestress tensioner for crane | |
| CN217581293U (en) | Secondary tensioning and releasing device for prestressed steel strands | |
| CN214061180U (en) | Tensioning device for prestressed tendons |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |