CN102825170A - Torsion-free rolling type straightener - Google Patents
Torsion-free rolling type straightener Download PDFInfo
- Publication number
- CN102825170A CN102825170A CN2011101724914A CN201110172491A CN102825170A CN 102825170 A CN102825170 A CN 102825170A CN 2011101724914 A CN2011101724914 A CN 2011101724914A CN 201110172491 A CN201110172491 A CN 201110172491A CN 102825170 A CN102825170 A CN 102825170A
- Authority
- CN
- China
- Prior art keywords
- wheel
- press wheels
- pressure wheel
- rolling
- straightening
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 title abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 13
- 230000003028 elevating effect Effects 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 16
- 230000002787 reinforcement Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 230000000977 initiatory effect Effects 0.000 description 6
- 238000010008 shearing Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005021 gait Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Landscapes
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention relates to a torsion-free rolling type straightener which comprises a main body rack, a primary adjuster, a rolling straightener, a press wheel lifting mechanism and a power transmission device. The power transmission device and the rolling straightener are respectively provided with a plurality of upper press wheels and a plurality of lower press wheels; and R ring grooves with the equal curvature radiuses and bottom radiuses are arranged on the upper press wheels and the lower press wheels. Due to the curved surfaces of the R ring grooves of a set of the upper press wheels and a set of the lower press wheels and the asymptotic distance between the lower press wheels and the upper press wheels, a bent steel bar generates compulsive restrained deformation along the horizontal radial direction and the vertical radial direction, and the maximum vertical embracing and closing distance of the curved surfaces of the R ring grooves of a set of the upper press wheels and a set of the lower press wheels is equal to the straight line restraint of the diameter of the steel bar, so that the steel bar is changed into the straight line from the curve under the function of a rolling friction force between the lower press wheels and the upper press wheels. The torsion-free rolling type straightener has the advantages that the straightened steel bar is smooth in surface, good in straightness, small in material physical change, safe in technology, and double in yield.
Description
Technical field
The present invention relates to a kind of bar straightener, particularly a kind of roll extrusion straightening mode that does not produce surface, tangential moment of torsion belongs to Machine Manufacturing Technology.
Background technology
Known for these years concrete-bar straightening-cutting machine tool, no matter how its inner frame for movement changes, but its operation principle is constant always, promptly utilizes the bar straightening of screw extrusion effect with bending.It is provided with a plurality of equidistant and straightening pieces that be symmetrically distributed with respect to accent reinforcing bar axis on the trailed length direction of reinforcing bar; The straightening piece be close to rebar surface as the force; Reinforcing bar be pulled through on these straightening pieces do the force time; The straightening piece pushes and rotates at a high speed around reinforcing bar, makes the every bit on the rebar surface on 360 ° of circumferencial directions, all receive the screw extrusion that the straightening piece is done the force, thereby realizes the purpose with the moment reinforcement straightening.But this screw extrusion straightening mode has drawback: one, the rebar surface after the straightening has scar (the helix vestige that extruding is arranged), and breakage rate height and linearity are relatively poor; Two, for the big reinforcing bar of degree of crook, there is the possibility that fractures; Three, at a high speed rotation makes rebar surface produce high frictional heat to cause institutional framework to change making the reinforcing bar hardening; Four, safety coefficient is low, is received the friction twisting force that rotates at a high speed the straightening piece by the straightening reinforcing bar and makes reinforcing bar produce centrifugal force, and especially during the straightening spiral, the seamed edge of screw-thread steel is interfered the straightening piece, thereby has great potential safety hazard; Five, inefficiency, because the rotary speed of straightening piece is directly proportional with the reinforcing bar gait of march, so straightening piece rotary speed limited the gait of march of steel disk, makes operating efficiency lower.To above-mentioned shortcoming, people make every effort to seek the bar straightening mode that changes screw extrusion always for many years, end the present both at home and abroad and still do not have any mode it is replaced but make a general survey of.
Summary of the invention
The objective of the invention is to propose no moment of torsion rolling-type straightener, the R groove that utilizes pinch roller to be provided with pushes by the reinforcing bar of straightening step by step, in to bar straightening, the reinforcing bar outside is not produced the tangential moment of torsion.
To achieve these goals, the present invention takes following technical scheme: a kind of rolling-type bar straightener, it comprises main stand, initial adjustment device, roll extrusion machine straightening device, pinch roller elevating mechanism, power transmission.
Said initial adjustment device, roll extrusion machine straightening device all are provided with many upper pressure wheels and lower pressure wheel.Vertical direction is not in same plane between two wheel pressing shafts up and down, and promptly the following dome arc of upper pressure wheel places among the gap that circular arc constitutes on two lower pressure wheels.
Every wheel pressing shaft is installed on the main stand through two bearing levels, and homonymy one end of all wheel pressing shafts is fixed a pinch roller.
Every upper pressure wheel all is provided with elevating mechanism, and each elevating mechanism comprises:
One guide pin bushing, it is connected the top of main stand through bolt, is provided with pilot hole and through hole in the guide pin bushing, is provided with a keyway in the pilot hole;
One guide pillar, its gap are engaged in the pilot hole in the guide pin bushing, and the guide pillar cylindrical is provided with keyway, and through the keyway coupling in key and the pilot hole, be provided with internal thread in the guide pillar, the bottom is provided with the U-shaped frame;
One screw mandrel, one of which end are combined in through external thread rotary in the internal thread of guide pillar, and the other end passes the through hole on the guide pin bushing and is movably connected on the guide pin bushing through two and cap;
One pinch roller, it is connected in the U-shaped frame on the said guide pillar through axle and bearing.Said power transmission comprises:
One group of travelling gear, every travelling gear is fixedly connected with an end of the opposite side of said wheel pressing shaft.
One group of transmission idle wheel, every transmission idle wheel is installed on the main stand through axle of carrier pulley and bearing, and mesh with two adjacent travelling gears respectively the both sides of transmission idle wheel.
It is characterized in that:
The external cylindrical surface of said pinch roller is provided with circumferential R annular groove, and the R groover rot diameter of all pinch rollers is identical;
Said all pinch roller R groove bottom diameter radial sections are in same plane;
The vertical axial cross section of said all lower pressure wheel R annular grooves overlaps on perspective plane in parallel;
The wheel pressing shaft spacing is greater than the wheel pressing shaft spacing in the roll extrusion machine straightening device in the said initial adjustment device;
The guide pin bushing in the said pinch roller adjusting device and the matched in clearance form of guide pillar also can be the mesh form of guide rail and guide rail key.
The present invention has overcome the defective of existing bar straightener; It changes into static friction roll extrusion straightening mode with traditional spiral slide dynamic friction extruding straightening mode; And the change of the reinforcing bar proterties after the straightening is little, linearity good, thereby the present invention has modern design, rational in infrastructure, remarkable advantages such as production efficiency is high, handling safety.
Description of drawings
Accompanying drawing 1 is a main sectional structure sketch map of the present invention;
Accompanying drawing 2 is an A-A cross section sectional structure sketch map in the accompanying drawing 1;
Accompanying drawing 4 is a backsight structural representation of the present invention.
In accompanying drawing 1,2,3,4: 1 main stand, 2 guide pin bushings, 3 guide pillars, 4 screw mandrels, 5 pairs and cap, 6 upper pressure wheels, 7 upper pressure wheel axles, 8 lower pressure wheels, 9 press down wheel shaft, 10 keys, 11 hex nuts, 12 straight reinforcing bars, 13 shearing devices, 14 reductors, 15 moment reinforcements, 16R annular groove, 17 bearings, 18 transmission idle wheels, 19 travelling gears, 20 axle of carrier pulley.
The specific embodiment
Do further specifying on the enforcement mode below in conjunction with accompanying drawing: with upper pressure wheel 6 is that ten, 80 one of lower pressure wheels are example:
Like accompanying drawing 1,2,3, shown in 4; 11 lower pressure wheels 8 press down wheel shaft 9 through 11 respectively and are installed in the main stand 1; And ten axis that press down wheel shaft 9 are parallel to each other and are positioned at same plane; Be respectively equipped with on the external diameter of lower pressure wheel 8 that curvature equates, the identical circumferential R annular groove 16 in footpath, the end, and the radial section on the footpath, 16 ends of circumferential R annular groove on every lower pressure wheel 8 is linked to be a line with the last intersection point of axial cross section, 11 press down wheel shaft 9 and are two kinds of spacings distributions; Wherein the spacing of 4 of a side lower pressure wheels 8 is set to 160mm, and 7 lower pressure wheel spacings of opposite side are set to 130mm.
The top of main stand 1 is provided with ten upper pressure wheel elevating mechanisms, and the upper pressure wheel elevating mechanism is made up of guide pin bushing 2, guide pillar 3, screw mandrel 4, upper pressure wheel 6, is provided with a pilot hole and a through hole in the guide pin bushing 2; Pilot hole is provided with a keyway; Guide pillar 3 matched in clearance are in the pilot hole of guide pin bushing 2, and the keyway on it is through the keyway coupling in key 10 and the pilot hole, and the inside of guide pillar 3 is equipped with internal thread; The bottom is provided with the U-shaped frame; Upper pressure wheel 6 is connected in the U-shaped frame through upper pressure wheel axle 7, bearing 17, and an end of screw mandrel 4 screws in the internal thread of guide pillar 3 through the screw thread on the cylindrical, and the other end passes the through hole in the guide pin bushing 2 and is actively connected on the guide pin bushing 2 through two and cap 5; Screw mandrel 4 can move up and down guide pillar 3 through hex nut 11 driven in rotation of termination.Guide pin bushing 2 is connected the top of main stand 1 through bolt as the main body of elevating mechanism; The upright position of its every elevating mechanism can be reduced to footpath, 16 ends of lower pressure wheel R annular groove with the most following of footpath, 16 ends of R annular groove on the upper pressure wheel 6 and the most upward require to confirm in the bottom of point; Its lateral attitude is with the plane of symmetry setting as the vertical axial central plane of every adjacent two lower pressure wheels 8 of the vertical axial central plane of upper pressure wheel 6, and its front and back position is with the exist together requirement setting on a plane of the radial section of R groove bottom diameter on the radial section in footpath, 16 ends of R annular groove on every upper pressure wheel 6 and every the lower pressure wheel 8.
Above-mentioned 4 lower pressure wheels 8 that are installed in a side in the main stand 1 become removal internal stress device of the present invention with three mounted thereto upper pressure wheel elevating mechanism mutual group, and 7 lower pressure wheels 8 that are installed in main stand 1 opposite side become roll extrusion machine straightening device of the present invention with six mounted thereto upper pressure wheel elevating mechanism mutual group.
Transmission system of the present invention is made up of 11 travelling gears 19 and ten transmission idle wheels 20; 11 travelling gears 19 are contained in described 11 respectively and press down on the wheel shaft 9; Ten transmission idle wheels 20 are contained on the main stand 1 through axle of carrier pulley and are engaged on 19 of 11 travelling gears, and reductor 14 can press down transmission of power in the wheel shaft 9 to any one through belt or gear.
Similar about shearing device 13 with existing technology, if indiscriminately imitate installation can and be not the present invention's original creation, so do not give unnecessary details at this.
(establishing by the diameter of straightening reinforcing bar is ￠ 12mm during the straightening reinforcing bar; Then selecting R annular groove 16 radius of curvature of lower pressure wheel 8 and upper pressure wheel 6 is 7mm); Moment reinforcement 15 is sent between the lower pressure wheel 8 and upper pressure wheel 6 among the present invention; Then in removing the internal stress device, with R annular groove 16 nadirs of upper pressure wheel 6 in first upper pressure wheel governor motion of initiating terminal through screw mandrel 4 pressure drops to first of main stand 1 initiating terminal with second lower pressure wheel 8 in R annular groove 16 position of going up about 10mm below the point most; The R annular groove 16 nadir pressure drops of upper pressure wheel 6 are to positions that the R annular groove 16 in second of main stand 1 initiating terminal and the 3rd lower pressure wheel 8 is gone up the about 7mm in some below most in second upper pressure wheel governor motion of initiating terminal; The R annular groove 16 nadir pressure drops of upper pressure wheel 6 are to positions that the R annular groove 16 in the 3rd of main stand 1 initiating terminal and the 4th lower pressure wheel 8 is gone up the about 3mm in some below most in the 3rd the upper pressure wheel governor motion of initiating terminal.In the roll extrusion machine straightening device; R annular groove 16 nadirs of upper pressure wheel 6 in remaining upper pressure wheel governor motion are gone up the positions that the some top equals to be transferred bar diameter most through screw mandrel 4 pressure drops R annular groove 16 of remaining lower pressure wheel 8 in the main stand 1, pin the guide pillar 3 in all upper pressure wheel governor motions then.Start reductor 14, to pressing down on wheel shaft 9, travelling gear 19, the idle wheel 20, all wheel shafts 9 that press down rotate reductor 14 in the same way with transmission of torque.In removing the internal stress process; Moment reinforcement 15 receives from the tangential force of rolling friction effect of R annular groove 16 curved surfaces in lower pressure wheel 8, the upper pressure wheel 6 and the relative positive pressure on the vertical direction, do on the one hand on the vertical direction bending, do drawing close on the radial section of footpath, 16 ends of R annular groove on the other hand.Bending on the vertical direction is an internal stress of removing moment reinforcement 15 in order to reach, and drawing close to footpath, 16 ends of R annular groove radial section is that straightening for follow-up is layed foundation.In roll extrusion straightening process; Because the diameter that the distance on the vertical direction at directly following of 16 ends of R annular groove of upper pressure wheel 6 in point and the pinch roller governor motion is set at moment reinforcement 15 is directly gone up at 16 ends of R annular groove of lower pressure wheel 8 in the roll extrusion machine straightening device; Thereby under the tangential force of rolling friction effect of removal internal stress moment reinforcement 15 later R annular groove 16 curved surfaces in lower pressure wheel 8 and upper pressure wheel 6; Receive the alternately cambered surface constraint that receives R annular groove 16 in a plurality of lower pressure wheels 8 and a plurality of upper pressure wheel 6 on distance restraint between a plurality of lower pressure wheels 8 and a plurality of upper pressure wheel 6, its fore-and-aft direction radially on its tangential length direction, finally make moment reinforcement 15 become straight reinforcing bar 12 by straightening.Its follow-up shearing device 13 is identical with shearing device duty in traditional aligning cutting-off device, does not give unnecessary details at this.Because the present invention has changed the operation principle and the state of traditional aligning cutting-off device; There is not high speed rotation problem in the rolling speed of lower pressure wheel 8 and upper pressure wheel 6 in whole enough straightening processes; As long as load onto the rotating speed that the rotating speed of variable-frequency motor drive speed reducer is a lower pressure wheel 8; Just can enhance productivity to greatest extent, output is reached more than the twice of traditional aligning cutting-off device.Upper pressure wheel 6 of the present invention can increase and decrease with the number of elements of lower pressure wheel 8 according to actual needs.
Claims (5)
1. no moment of torsion rolling-type straightener, it comprises main stand, the initial adjustment device, the roll extrusion machine straightening device, the pinch roller elevating mechanism, power transmission,
Said initial adjustment device, roll extrusion machine straightening device all are provided with many upper pressure wheels and lower pressure wheel, and vertical direction is not in same plane between two wheel pressing shafts up and down, and promptly the following dome arc of upper pressure wheel places among the gap that circular arc constitutes on two lower pressure wheels,
Said every wheel pressing shaft is installed on the main stand through two bearing levels, and homonymy one end of all wheel pressing shafts is fixed a pinch roller,
Said every upper pressure wheel all is provided with elevating mechanism, and each elevating mechanism comprises:
One guide pin bushing, it is connected the top of main stand through bolt, is provided with pilot hole and through hole in the guide pin bushing, is provided with a keyway in the pilot hole;
One guide pillar, its gap are engaged in the pilot hole in the guide pin bushing, and the guide pillar cylindrical is provided with keyway, and through the keyway coupling in key and the pilot hole, be provided with internal thread in the guide pillar, the bottom is provided with the U-shaped frame;
One screw mandrel, one of which end are combined in through external thread rotary in the internal thread of guide pillar, and the other end passes the through hole on the guide pin bushing and is movably connected on the guide pin bushing through two and cap;
One pinch roller, it is connected in the U-shaped frame on the said guide pillar through axle and bearing,
Said power transmission comprises:
One group of travelling gear, every travelling gear is fixedly connected with an end of the opposite side of said wheel pressing shaft;
One group of transmission idle wheel, every transmission idle wheel is installed on the main stand through axle of carrier pulley and bearing, and the both sides of transmission idle wheel respectively with the engagement of adjacent two travelling gears,
It is characterized in that said initial adjustment device, roll extrusion machine straightening device all are provided with many upper pressure wheels and lower pressure wheel, the external cylindrical surface of upper pressure wheel and lower pressure wheel is provided with circumferential R annular groove, and the R annular groove groover rot diameter of all pinch rollers is identical.
2. a kind of rolling-type concrete-bar straightening-cutting machine according to claim 1 is characterized in that said all pinch roller R groove bottom diameter radial sections are in same plane.
3. a kind of rolling-type concrete-bar straightening-cutting machine according to claim 1 and 2 is characterized in that the vertical axial cross section of said all lower pressure wheel R annular grooves overlaps on perspective plane in parallel.
4. a kind of rolling-type concrete-bar straightening-cutting machine according to claim 1 is characterized in that the wheel pressing shaft spacing is greater than the wheel pressing shaft spacing in the roll extrusion machine straightening device in the initial adjustment device.
5. a kind of rolling-type concrete-bar straightening-cutting machine according to claim 1, its characteristic also are guide pin bushing and the matched in clearance form of guide pillar in the said pinch roller adjusting device, also can be the mesh form of guide rail and guide rail key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101724914A CN102825170A (en) | 2011-06-16 | 2011-06-16 | Torsion-free rolling type straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101724914A CN102825170A (en) | 2011-06-16 | 2011-06-16 | Torsion-free rolling type straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102825170A true CN102825170A (en) | 2012-12-19 |
Family
ID=47328600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101724914A Pending CN102825170A (en) | 2011-06-16 | 2011-06-16 | Torsion-free rolling type straightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102825170A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350130A (en) * | 2013-07-02 | 2013-10-16 | 无锡天惠塑机有限公司 | Pre-bending type automatic control straightening device |
| CN103519283A (en) * | 2013-10-23 | 2014-01-22 | 陈庆云 | Kiwi fruit fermented beverage and preparation method and application thereof |
| CN105790150A (en) * | 2016-04-28 | 2016-07-20 | 国家电网公司 | Cable straightening pulley bracket |
| CN107952911A (en) * | 2017-12-20 | 2018-04-24 | 张福录 | An unequal wheelbase multi-wheel wheel set structure and its application for steel bar dephosphorization and straightening machine |
| CN110918828A (en) * | 2019-12-04 | 2020-03-27 | 沈阳建筑大学 | Steel bar straightening and cutting machine driven by servo motor to be pressed |
| CN113369947A (en) * | 2021-07-05 | 2021-09-10 | 濮阳市名利石化机械设备制造有限公司 | Metal ingot transverse cutting pressing device and application method thereof |
| CN116984515A (en) * | 2023-08-15 | 2023-11-03 | 莆田市天马机械制造有限公司 | Reinforcing steel bar straightening frame and reinforcing steel bar straightening machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB525215A (en) * | 1939-02-16 | 1940-08-23 | Frederic Schaefer | Improvements in or relating to method of and apparatus for straightening bars, rounds or the like |
| US3604236A (en) * | 1968-08-30 | 1971-09-14 | Gulf & Western Ind Prod Co | Cross roll adjusting and locking means |
| CN2524855Y (en) * | 2002-01-22 | 2002-12-11 | 燕山大学 | Straightening mechanism for hot rolling screw steel rod straightening and cutting machine |
| CN2678795Y (en) * | 2004-02-24 | 2005-02-16 | 天津市建科机械制造有限公司 | Continuous prodn. appts. for straightening, shearing and bending reinforced bar |
| CN201086112Y (en) * | 2007-07-03 | 2008-07-16 | 天津市金曼乔电子信息技术有限公司 | Concrete-bar flattener |
| CN201432066Y (en) * | 2009-06-19 | 2010-03-31 | 燕山大学 | Roller type equal curvature stop mechanism |
| CN201644673U (en) * | 2009-12-24 | 2010-11-24 | 杭州腾飞拉丝机厂 | Hot rolling threaded reinforcement bar straightening cutting machine |
-
2011
- 2011-06-16 CN CN2011101724914A patent/CN102825170A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB525215A (en) * | 1939-02-16 | 1940-08-23 | Frederic Schaefer | Improvements in or relating to method of and apparatus for straightening bars, rounds or the like |
| US3604236A (en) * | 1968-08-30 | 1971-09-14 | Gulf & Western Ind Prod Co | Cross roll adjusting and locking means |
| CN2524855Y (en) * | 2002-01-22 | 2002-12-11 | 燕山大学 | Straightening mechanism for hot rolling screw steel rod straightening and cutting machine |
| CN2678795Y (en) * | 2004-02-24 | 2005-02-16 | 天津市建科机械制造有限公司 | Continuous prodn. appts. for straightening, shearing and bending reinforced bar |
| CN201086112Y (en) * | 2007-07-03 | 2008-07-16 | 天津市金曼乔电子信息技术有限公司 | Concrete-bar flattener |
| CN201432066Y (en) * | 2009-06-19 | 2010-03-31 | 燕山大学 | Roller type equal curvature stop mechanism |
| CN201644673U (en) * | 2009-12-24 | 2010-11-24 | 杭州腾飞拉丝机厂 | Hot rolling threaded reinforcement bar straightening cutting machine |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350130A (en) * | 2013-07-02 | 2013-10-16 | 无锡天惠塑机有限公司 | Pre-bending type automatic control straightening device |
| CN103519283A (en) * | 2013-10-23 | 2014-01-22 | 陈庆云 | Kiwi fruit fermented beverage and preparation method and application thereof |
| CN105790150A (en) * | 2016-04-28 | 2016-07-20 | 国家电网公司 | Cable straightening pulley bracket |
| CN105790150B (en) * | 2016-04-28 | 2017-10-13 | 国家电网公司 | A kind of cable aligns pulley bracket |
| CN107952911A (en) * | 2017-12-20 | 2018-04-24 | 张福录 | An unequal wheelbase multi-wheel wheel set structure and its application for steel bar dephosphorization and straightening machine |
| CN110918828A (en) * | 2019-12-04 | 2020-03-27 | 沈阳建筑大学 | Steel bar straightening and cutting machine driven by servo motor to be pressed |
| CN113369947A (en) * | 2021-07-05 | 2021-09-10 | 濮阳市名利石化机械设备制造有限公司 | Metal ingot transverse cutting pressing device and application method thereof |
| CN116984515A (en) * | 2023-08-15 | 2023-11-03 | 莆田市天马机械制造有限公司 | Reinforcing steel bar straightening frame and reinforcing steel bar straightening machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102825170A (en) | Torsion-free rolling type straightener | |
| CN2368626Y (en) | Roll forming apparatus | |
| CN202224559U (en) | Rolling type steel bar straightening machine | |
| CN205798002U (en) | Axially accurate positioning and there is the short stress path rolling mill of high rigidity | |
| CN102886474B (en) | Radial rolling device of ring rolling machine | |
| CN105880292A (en) | Short stress path rolling mill with precise axial positioning and high rigidity | |
| CN206392760U (en) | A kind of wire rope straightener | |
| CN105351484A (en) | Eccentric gear | |
| CN113634684B (en) | A kind of steel wire production, processing and straightening equipment applied to prestressed concrete | |
| CN102101147A (en) | Press wheel type steel bar aligning method and aligner with extending function | |
| CN102652980A (en) | Hot coiled spring machine | |
| CN102338202A (en) | Meshing drive structure for rudder-shaped roller wheel and cambered-surface enveloping wheel | |
| CN102133587A (en) | Special pipe forming machine | |
| CN201960001U (en) | Special-shaped pipe forming machine | |
| CN205571068U (en) | Thin -wall plate material edge rolling equipment | |
| CN217726997U (en) | Novel ring rolling axial roller device | |
| CN117415248A (en) | Raw material processing device for steel bar truss | |
| CN107138659B (en) | It is a kind of for shaping the cross wedge rolling machine of small shaft forgings | |
| CN206425879U (en) | Bar material transfer structure | |
| CN101947615B (en) | Device for rigid-flexible extruding and winding moulding of multilateral spiral stirrup for construction | |
| CN201735711U (en) | Multilateral spiral stirrup rigid-flexible extrusion winding and forming device for building | |
| CN205270415U (en) | A novel steel bar reinforces mechanically for building trade | |
| CN103921350B (en) | A kind of pipeline profile mould of adjustable diameter and method of work thereof | |
| CN117428118B (en) | Straightening mechanism applied to intelligent cold header | |
| CN102078909A (en) | Staggered pinch-roller type reinforcing steel bar aligning machine with extension function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20121219 |