CN201446158U - T-shaped sectional material straightening machine - Google Patents

T-shaped sectional material straightening machine Download PDF

Info

Publication number
CN201446158U
CN201446158U CN2009200401139U CN200920040113U CN201446158U CN 201446158 U CN201446158 U CN 201446158U CN 2009200401139 U CN2009200401139 U CN 2009200401139U CN 200920040113 U CN200920040113 U CN 200920040113U CN 201446158 U CN201446158 U CN 201446158U
Authority
CN
China
Prior art keywords
roller
pressure
driven shaft
pressing wheel
main
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.)
Expired - Lifetime
Application number
CN2009200401139U
Other languages
Chinese (zh)
Inventor
鲍光辉
杨念记
桂重
任乐
龚国华
朱越来
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Hualian Precision Machinery Co Ltd
Original Assignee
Wuxi Hualian Precision Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Hualian Precision Machinery Co Ltd filed Critical Wuxi Hualian Precision Machinery Co Ltd
Priority to CN2009200401139U priority Critical patent/CN201446158U/en
Application granted granted Critical
Publication of CN201446158U publication Critical patent/CN201446158U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Press Drives And Press Lines (AREA)

Abstract

The utility model relates to a T-shaped sectional material straightening machine. The straightening machine comprises a machine frame and a transmission mechanism mounted on the machine frame, and is characterized in that the straightening machine further comprises a waved bend straightening mechanism and sidewise bend straightening mechanisms; the waved bend straightening mechanism is positioned in front of the transmission mechanism; the sidewise bend straightening mechanisms are distributed on two sides of the waved bend straightening mechanism; the waved bend straightening mechanism comprises an upper main pressing wheel and a lower main pressing wheel; the upper main pressing wheel and the lower main pressing wheel are opposite to each other vertically; each sidewise bend straightening mechanism comprises three side pressing wheel groups, namely, a first side pressing wheel group, a second side pressing wheel group, and a third side pressing wheel group, which are opposite to each other vertically; the first side pressing wheel groups, the waved bend straightening mechanism, the second side pressing wheel groups, and the third side pressing wheel groups are arranged in sequence along feeding direction; and the pressing roll stitching surfaces on the three side pressing wheel groups are on the same horizontal surface with the upper and the lower pressing roll stitching surfaces of the upper main pressing wheel and the lower main pressing wheel. Compared with manual flame straightening, the utility model with compact structure and reasonable design is provided with higher straightening efficiency and precision; and compared with common three-roll straightening, the utility model is provided with the capability of straightening sidewise bend and angle deformation of T-shaped sectional material.

Description

T section bar arbor press
Technical field
The utility model belongs to the plant equipment processing technique field, particularly relates to a kind of T section bar arbor press.
Background technology
In shipyard, steel construction industry, long T section bar often exists side bending deformation, web wave transformation, situations such as angular deformation, during concrete the application, need correct deformed configurations, in the prior art, adopt flame or common three roller straightening mechanisms to correct more the distortion that the T section bar causes, the flame straightening operation easier is big, production efficiency is low, labour intensity is big, the cost height; And common three roller straightening mechanisms are to the rectification poor ability of T section bar side sway, web wave transformation, inefficiency.
Summary of the invention
The purpose of this utility model is to overcome weak point of the prior art, and providing a kind of can correct the T section bar comprehensively, and operation easier and work are slightly relatively low, the T section bar arbor press that production efficiency and product quality are high.
The purpose of this utility model realizes by following technical scheme: described T section bar arbor press comprises frame and rack-mounted transmission mechanism, it is characterized in that: also comprise the curved straightening mechanism of the wave that is positioned at described transmission mechanism the place ahead, be distributed in the side sway straightening mechanism that wave is bent the straightening mechanism both sides; The curved straightening mechanism of wherein said wave comprises up and down vertical opposite last main pinch roller and following main pinch roller; Described side sway straightening mechanism comprises three up and down vertical opposite side pressure wheels; The curved straightening mechanism of the first side pressure wheels, wave, the second side pressure wheels, the 3rd side pressure wheels are arranged in turn along feedstock direction, the pressure roller on three side pressure wheels) stitching surface and upper and lower main pinch roller, upper and lower pressure roller stitching surface on same horizontal plane.
Describedly main pinch roller and comprise: upper pressure wheel seat, main hydraulic cylinder, upper pressure wheel crane, go up driven shaft, go up driven voller, go up roller frame and last pressure roller; The upper pressure wheel seat is fixedly mounted on the frame, and the upper pressure wheel crane is sleeved in the upper pressure wheel seat, can endwisely slip; The main hydraulic cylinder upper end is fixed on the upper pressure wheel seat, and the bottom movable end is connected with the upper pressure wheel crane; Last driven shaft is installed in the upper pressure wheel crane, can axially rotate, and driven voller is gone up in the fixed installation of last driven shaft lower end; Upper pressure wheel crane lower end is connected with last roller frame, and last pressure roller is fixedly mounted on the roller frame.
Described main pinch roller down comprises: press down wheel seat, following driven shaft, following driven voller, press down wheel carrier and lower compression roller; Pressing down wheel seat is fixedly mounted on the frame; Following driven shaft is installed in and presses down in the wheel seat, and the upper end fixed installation of following driven shaft is driven voller down; Press down wheel seat upper end and press down wheel carrier and be connected, lower compression roller is fixedly mounted on and presses down on the wheel carrier.
Upper and lower side pressure wheel construction in described three side pressure wheels is identical, comprises side pressure wheel installing plate, side pressure wheel seat, guiding copper sheathing, guide post, oil cylinder, pressure head installing rack and pressure roller; Side pressure wheel installing plate is fixed on the frame, and the side pressure wheel seat is installed on the side pressure wheel installing plate, installs guiding copper sheathing and oil cylinder on the side pressure wheel seat; Guide post is enclosed within the guiding copper sheathing, can endwisely slip; The pressure head installing rack is connected with the oil cylinder movable end with the guide post lower end, and pressure roller is installed on the pressure head installing rack.
Described transmission mechanism comprises: main pressure roller moves seat; Gear-box is fixedly mounted on main pressure roller and moves on the seat; Gear and driven gear are fixedly mounted in the gear-box, and the two is bitten mutually and closes, the gear fluid motor-driven; Driven shaft, upper end and driven gear are affixed, are installed in bearing block A, the bearing block B, are fixed in main pressure roller and move seat, can axially rotate; Main pressure roller is fixedly mounted on the driven shaft; Push cylinder is connected on the frame, and its movable end moves seat with main pressure roller and is connected.
Described radially use bearing A, the bearing B that the last driven shaft on the main pinch roller locatees, and axially uses spacer, end cap, gland stationary positioned, and end cap compresses the driven shaft lower end and bearing B fixes, and gland compresses the driven shaft upper end and fixes with bearing A; The installation locate mode of the following driven shaft on the main pinch roller is identical with it down.
The utility model compact conformation, reasonable in design, compare with artificial flame straightening, have higher rectification efficient and precision; Compare with common three rollers rectification, have the ability of correcting T section bar side sway and angular deformation; And the traditional reductor transmission of hydraulic motor gearratio has bigger driving force.
Description of drawings
Fig. 1 is a structural front view of the present utility model.
Fig. 2 is the structural representation of main pinch roller on the utility model.
Fig. 3 is the structural representation of main pinch roller under the utility model.
Fig. 4 is a structure side view of the present utility model.
Drawing reference numeral explanation: 1-frame, the 2-lower pressure wheel, 21-presses down wheel seat, driven shaft under the 22-, driven voller under the 23-, 24-presses down wheel carrier, the 25-lower compression roller, the 3-upper pressure wheel, 301-upper pressure wheel seat, the 302-main hydraulic cylinder, 303-upper pressure wheel crane, the last driven shaft of 304-, the last driven voller of 305-, the last roller frame of 306-, the last pressure roller of 307-, 308-bearing A, 309-bearing B, the 310-spacer, the 311-end cap, the 312-gland, the 313-clamp, the 314-pressing plate, 315-bearing pin A, 316-bearing pin B, the 317-slide block, 4-side pressure wheel, 41-pinch roller installing plate, 42-side pressure wheel seat, the 43-copper sheathing that leads, the 44-guide post, the 45-oil cylinder, 46-pressure head installing rack, the 47-pressure roller, the 5-transmission mechanism, the 501-hydraulic motor, 502-master's pressure roller moves seat, the 503-gear-box, the 504-gear, the 505-driven gear, the 506-driven shaft, the 507-axle sleeve, 508-bearing C, the 509-bearings D, the 510-upper end cover, the 511-bottom end cover, 512-bearing block A, 513-bearing block B, 514-master's pressure roller, the 515-push cylinder, the 6-T section bar
The specific embodiment
Below in conjunction with the embodiment in the accompanying drawing the utility model is further described.
As shown in Figure 1, described T section bar arbor press comprise frame 1 and be installed in transmission mechanism 6 on the frame 1, be positioned at described transmission mechanism the place ahead the curved straightening mechanism of wave, be distributed in the side sway straightening mechanism of the curved straightening mechanism both sides of wave; The curved straightening mechanism of wherein said wave comprises up and down vertical opposite last main pinch roller 2 and following main pinch roller 3; Described side sway straightening mechanism comprises three up and down vertical opposite side pressure wheels; The curved straightening mechanism of the first side pressure wheels, wave, the second side pressure wheels, the 3rd side pressure wheels are arranged in turn along feedstock direction, and pressure roller 47 stitching surfaces on three side pressure wheels and upper and lower pressure roller 25,307 stitching surfaces of upper and lower main pinch roller 2,3 are on same horizontal plane.
As Fig. 1 and Fig. 2, describedly main pinch roller 3 and comprise: upper pressure wheel seat 301, main hydraulic cylinder 302, upper pressure wheel crane 303, go up driven shaft 304, go up driven voller 305, go up roller frame 306 and last pressure roller 307; Upper pressure wheel seat 301 is fixedly mounted on the frame 1, and upper pressure wheel crane 303 is sleeved in the upper pressure wheel seat 301, can endwisely slip; Main hydraulic cylinder 302 upper ends are fixed on the upper pressure wheel seat 301 with bearing pin A315, and the bottom movable end is connected with upper pressure wheel crane 303 usefulness bearing pin B316; Last driven shaft 304 is installed in the upper pressure wheel crane 303, radially with bearing A308, bearing B309 location, axially with spacer 310, end cap 311, gland 312 stationary positioned, end cap 311 compresses driven shaft 304 lower ends and bearing B309 fixes, gland 312 compresses driven shaft 304 upper ends and bearing A308 fixes, last driven shaft 304 can axially rotate, and driven voller 305 is gone up by pressing plate 314, flat key fixed installation in last driven shaft 304 lower ends; Upper pressure wheel crane 303 lower ends are connected with last roller frame 306, and last pressure roller 307 is fixedly mounted on the roller frame 306 by bearing pin and clamp 313; Slide block 317 is fixed on the upper pressure wheel seat 301, with location upper pressure wheel seat 301.
As shown in Figure 3, described main pinch roller 2 down comprises: press down wheel seat 21, following driven shaft 22, following driven voller 23, press down wheel carrier 24 and lower compression roller 25; Pressing down wheel seat 21 is fixedly mounted on the frame 1; Following driven shaft 22 is installed in and presses down in the wheel seat 21, and following driven shaft 22 upper ends fixed installations is driven voller 25 down, and it is identical with last driven shaft 304 that locate mode is installed; Press down wheel seat 21 upper ends and press down wheel carrier 24 and be connected, lower compression roller 25 is fixedly mounted on and presses down on the wheel carrier 24, and the mode that installs and fixes is identical with last pressure roller 307.
As shown in Figure 1, it is identical that 4 structures are taken turns in the upper and lower side pressure in described three side pressure wheels, comprises side pressure wheel installing plate 41, side pressure wheel seat 42, guiding copper sheathing 43, guide post 44, oil cylinder 45, pressure head installing rack 46 and pressure roller 47; Side pressure wheel installing plate 41 is fixed on the frame 1, and side pressure wheel seat 42 is installed on the side pressure wheel installing plate 41, installs guiding copper sheathing 43 and oil cylinder 45 on the side pressure wheel seat 41; Guide post 44 is enclosed within the guiding copper sheathing 43, can endwisely slip; Pressure head installing rack 46 is connected with oil cylinder 45 movable ends with guide post 44 lower ends, and pressure roller 47 is installed on the pressure head installing rack 46.
As shown in Figure 4, described transmission mechanism 5 comprises: main pressure roller moves seat 502; Gear-box 503 is installed in main pressure roller with bolting and moves on the seat 502; Gear 504 and driven gear 505 are fixedly mounted in the gear-box 503, and the two is bitten mutually and closes, and gear 504 usefulness hydraulic motors 501 drive; Driven shaft 506, the upper end is affixed with driven gear 505, and by axle sleeve 507, bearing C508, bearings D 509, upper end cover 510, bottom end cover 511 are installed in bearing block A512, the bearing block B513, bearing block A512, bearing block B513 are fixed in main pressure roller and move seat 502, can axially rotate; Main pressure roller 514 is fixedly mounted on the driven shaft 506 with flat key; Push cylinder 515 is connected on the frame 1, and its movable end moves seat 502 with main pressure roller and is connected.
In actual applications, T section bar 6 enters along feedstock direction, in the side sway straightening mechanism the upper and lower side pressure wheel 4 of side pressure wheels under oil cylinder 45 drives, pressure roller 47 about pressing live the panel of T section bar 6, with the side bending deformation of rectification T section bar 6; Last main pinch roller 3 in the curved straightening mechanism of wave presses down under main hydraulic cylinder 302 promotes, last pressure roller 307 and lower compression roller 25 are pressed in the panel two sides of T section bar 6, the reach under push cylinder 515 promotes of main pressure roller 514 on the transmission mechanism 5, be pressed in the web position of center line of T section bar 6, with upper and lower driven voller 305,23 corresponding matching on the described upper and lower main pinch roller 3,2, correct the wave transformation of T section bar 6.Driving force and pressure provide by Hydraulic Station, but all stepless speed regulation of pressure and transmission speed.

Claims (6)

1. T section bar arbor press, comprise frame (1) and be installed in transmission mechanism (5) on the frame (10), it is characterized in that: also comprise the curved straightening mechanism of the wave that is positioned at described transmission mechanism (5) the place ahead, be distributed in the side sway straightening mechanism of the curved straightening mechanism both sides of wave; The curved straightening mechanism of wherein said wave comprises up and down vertical opposite last main pinch roller (3) and following main pinch roller (2); Described side sway straightening mechanism comprises three up and down vertical opposite side pressure wheels; The curved straightening mechanism of the first side pressure wheels, wave, the second side pressure wheels, the 3rd side pressure wheels are arranged in turn along feedstock direction, and the upper and lower pressure roller (307) of pressure roller (47) stitching surface on three side pressure wheels and upper and lower main pinch roller (3), (2), (25) stitching surface are on same horizontal plane.
2. T section bar arbor press according to claim 1, its feature also is: the described main pinch roller (3) of comprising: upper pressure wheel seat (301), main hydraulic cylinder (302), upper pressure wheel crane (303), go up driven shaft (304), go up driven voller (305), go up roller frame (306) and last pressure roller (307); Upper pressure wheel seat (301) is fixedly mounted on the frame (1), and upper pressure wheel crane (303) is sleeved in the upper pressure wheel seat (301), can endwisely slip; Main hydraulic cylinder (302) upper end is fixed on the upper pressure wheel seat (301), and the bottom movable end is connected with upper pressure wheel crane (303); Last driven shaft (304) is installed in the upper pressure wheel crane (303), can axially rotate, and driven voller (305) is gone up in the fixed installation of last driven shaft (304) lower end; Upper pressure wheel crane (303) lower end is connected with last roller frame (306), and last pressure roller (307) is fixedly mounted on the roller frame (306).
3. T section bar arbor press according to claim 1, its feature also is: described main pinch roller (2) down comprising: press down wheel seat (21), following driven shaft (22), following driven voller (23), press down wheel carrier (24) and lower compression roller (25); Pressing down wheel seat (21) is fixedly mounted on the frame (1); Following driven shaft (22) is installed in and presses down in the wheel seat (21), and the fixed installation of following driven shaft (22) upper end is driven voller (23) down; Press down wheel seat (21) upper end and press down wheel carrier (24) and be connected, lower compression roller (25) is fixedly mounted on and presses down on the wheel carrier (24).
4. T section bar arbor press according to claim 1, its feature also is: upper and lower side pressure wheel (4) structure in described three side pressure wheels is identical, comprises side pressure wheel installing plate (41), side pressure wheel seat (42), guiding copper sheathing (43), guide post (44), oil cylinder (45), pressure head installing rack (46) and pressure roller (47); Side pressure wheel installing plate (41) is fixed on the frame (1), and side pressure wheel seat (42) is installed on the side pressure wheel installing plate (41), installs guiding copper sheathing (43) and oil cylinder (45) on the side pressure wheel seat (41); Guide post (44) is enclosed within the guiding copper sheathing (43), can endwisely slip; Pressure head installing rack (46) is connected with oil cylinder (45) movable end with guide post (44) lower end, and pressure roller (47) is installed on the pressure head installing rack (46).
5. T section bar arbor press according to claim 1, its feature also is: described transmission mechanism (5) comprising: main pressure roller moves seat (502); Gear-box (503) is fixedly mounted on main pressure roller and moves on the seat (502); Gear (504) and driven gear (505) are fixedly mounted in the gear-box (503), and the two is bitten mutually and closes, and gear (504) drives with hydraulic motor (501); Driven shaft (506), upper end and driven gear (505) are affixed, are installed in bearing block A (512), the bearing block B (513), are fixed in main pressure roller and move seat (502), can axially rotate; Main pressure roller (514) is fixedly mounted on the driven shaft (506); Push cylinder (515) is connected on the frame (1), and its movable end moves seat (502) with main pressure roller and is connected.
6. according to each described T section bar arbor press of claim 1-3, its feature also is: described radially use bearing A (308), the bearing B (309) that the last driven shaft (305) on the main pinch roller (3) locatees, axially with spacer (310), end cap (311), gland (312) stationary positioned, end cap (311) compresses driven shaft (304) lower end and bearing B (309) is fixing, and it is fixing with bearing A (308) that gland (312) compresses driven shaft (304) upper end; The installation locate mode of the following driven shaft (22) on the main pinch roller (2) is identical with it down.
CN2009200401139U 2009-04-10 2009-04-10 T-shaped sectional material straightening machine Expired - Lifetime CN201446158U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200401139U CN201446158U (en) 2009-04-10 2009-04-10 T-shaped sectional material straightening machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200401139U CN201446158U (en) 2009-04-10 2009-04-10 T-shaped sectional material straightening machine

Publications (1)

Publication Number Publication Date
CN201446158U true CN201446158U (en) 2010-05-05

Family

ID=42550868

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200401139U Expired - Lifetime CN201446158U (en) 2009-04-10 2009-04-10 T-shaped sectional material straightening machine

Country Status (1)

Country Link
CN (1) CN201446158U (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101585061B (en) * 2009-04-10 2011-04-27 无锡华联精工机械有限公司 T-type material straightener
CN102248034A (en) * 2011-06-17 2011-11-23 无锡华联科技集团有限公司 Upper press roll lifting device for straightening machine
CN102310114A (en) * 2011-05-15 2012-01-11 无锡平盛科技有限公司 Automatic paying-off and straightening device for wire drawing machine
CN103521560A (en) * 2013-10-31 2014-01-22 无锡华联科技集团有限公司 Double-ball flat steel vertical bending straightening mechanism
CN103551424A (en) * 2013-10-31 2014-02-05 无锡华联科技集团有限公司 Double-bulb flat steel side bend straightening mechanism
CN106807802A (en) * 2017-03-29 2017-06-09 嘉善永金金属制品有限公司 A kind of shape apparatus for shaping with drying function
CN106825123A (en) * 2016-12-30 2017-06-13 无锡华联科技集团有限公司 The horizontal arbor press of H profile steel
CN106964669A (en) * 2017-03-29 2017-07-21 嘉善永金金属制品有限公司 A kind of metal shape material straightening machine
CN110177631A (en) * 2016-11-15 2019-08-27 Dji创新私人有限公司 Fence post straightener
CN116274463A (en) * 2023-05-17 2023-06-23 广东创昇金属结构有限公司 Profile correction conveying device

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101585061B (en) * 2009-04-10 2011-04-27 无锡华联精工机械有限公司 T-type material straightener
CN102310114A (en) * 2011-05-15 2012-01-11 无锡平盛科技有限公司 Automatic paying-off and straightening device for wire drawing machine
CN102248034A (en) * 2011-06-17 2011-11-23 无锡华联科技集团有限公司 Upper press roll lifting device for straightening machine
CN103521560A (en) * 2013-10-31 2014-01-22 无锡华联科技集团有限公司 Double-ball flat steel vertical bending straightening mechanism
CN103551424A (en) * 2013-10-31 2014-02-05 无锡华联科技集团有限公司 Double-bulb flat steel side bend straightening mechanism
CN103521560B (en) * 2013-10-31 2015-11-18 无锡华联科技集团有限公司 The upper and lower bending straightening mechanism of two bulb plate
US11548047B2 (en) 2016-11-15 2023-01-10 Dji Innovations Pty Ltd Fence post straightening device
CN110177631B (en) * 2016-11-15 2021-10-22 Dji创新私人有限公司 Fence post straightening device
CN110177631A (en) * 2016-11-15 2019-08-27 Dji创新私人有限公司 Fence post straightener
CN106825123B (en) * 2016-12-30 2018-09-21 无锡华联科技集团有限公司 The horizontal straightening machine of H profile steel
CN106825123A (en) * 2016-12-30 2017-06-13 无锡华联科技集团有限公司 The horizontal arbor press of H profile steel
CN106964669A (en) * 2017-03-29 2017-07-21 嘉善永金金属制品有限公司 A kind of metal shape material straightening machine
CN106807802A (en) * 2017-03-29 2017-06-09 嘉善永金金属制品有限公司 A kind of shape apparatus for shaping with drying function
CN116274463A (en) * 2023-05-17 2023-06-23 广东创昇金属结构有限公司 Profile correction conveying device
CN116274463B (en) * 2023-05-17 2023-08-01 广东创昇金属结构有限公司 Profile correction conveying device

Similar Documents

Publication Publication Date Title
CN101585061B (en) T-type material straightener
CN201446158U (en) T-shaped sectional material straightening machine
CN202963834U (en) Worm and gear clamping device for assembling variable-section H-shaped steel
CN211052336U (en) Automatic feeding structure of bending machine
CN102114503B (en) Rotating mechanism for tubes and bars on horizontal straightening machine
CN102248089B (en) Steel turning device
CN201841191U (en) Multifunctional four-roller plate rolling machine
CN203076390U (en) Bending device of steel pipes or structural steel
CN206898128U (en) A kind of curved machine of heavy in section section bar
CN200991727Y (en) Conic-pipe veneer reeling machine
CN206156440U (en) Overspeed device tensioner before galvanized strip steel annealing
CN202052769U (en) Lower roll lifting device for triple-roll mill
CN201529673U (en) Material guiding press roller device of belt material cold-rolling mill
CN102581074A (en) Rotating mechanism of lower support of straightening machine for bridge plate units
CN202625435U (en) Double-roller rolling machine
CN201676926U (en) Conical rolling auxiliary device capable of adjusting gradient of upper roll
CN202079132U (en) Mechanical-type angle-iron straightening machine
CN201419194Y (en) Uncoiler with clamping device
CN201209074Y (en) Coiling pipe bender
CN207642069U (en) A kind of geotechnical engineering angle pipe equipment
CN201940514U (en) Web bar bending device of steel bar truss automatic production line
CN202807949U (en) Uncoiler used for producing heat retaining panel
CN204234593U (en) A kind of travelling table of stamping line forging equipment
CN202238943U (en) Fully-hydraulic-driven steel turning device for use before blooming mill
CN102847750B (en) Steel coil unfolding assistant device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20100505

Effective date of abandoning: 20090410