CN103028920B - Tunnel U-shaped steel bracket Plastic recovery machine - Google Patents
Tunnel U-shaped steel bracket Plastic recovery machine Download PDFInfo
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- CN103028920B CN103028920B CN201110299854.0A CN201110299854A CN103028920B CN 103028920 B CN103028920 B CN 103028920B CN 201110299854 A CN201110299854 A CN 201110299854A CN 103028920 B CN103028920 B CN 103028920B
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Abstract
The present invention relates to tunnel U-shaped steel bracket Plastic recovery machine, it is characterised in that include the thermal treatment zone, quenching district, shaping region and discharging area, the thermal treatment zone is connected with quenching district, shaping region, discharging area successively；The described thermal treatment zone includes steel loading machine, enters furnace roller road, heating furnace and furnace delivery table；Described quenching district includes photoswitch one, machine front roller-way, clamping device and water pipe；Described shaping region includes roller-way after pinch roll before machine front roller-way, machine, seven roller trimmers and machine；Described discharging area includes conveyor roller, photoswitch two, fixed dam and chain type machine for moving steel.Compared with prior art, the invention has the beneficial effects as follows: be applicable to repair the U-shaped steel bracket that damaged condition is little, the most thermally treated, again through trimmer shaping, make the U-shaped steel bracket after reparation reach to be not less than new product performance, meet the requirement of recycling, solve the colliery discarded U-shaped steel bracket that pile up like a mountain and process problem, can be that enterprise is cost-effective, there is promotional value.
Description
Technical field
The present invention relates to U-shaped steel and repair field, particularly relate to a kind of tunnel U-shaped steel bracket Plastic recovery machine.
Background technology
The U-shaped steel used in current domestic roadway support is commonly hot-rolled state, the most thermally treated type that is directly compressed into, hot rolling
The U-shaped steel bracket intensity performance potential low, steel of state fails to bring into play, and U-shaped steel is in use by various in tunnel
The effect of load, makes portion support the phenomenon of unstable failure occur, shows themselves in that bending, fracture, local wrinkle.
Accumulating over a long period, pile up like a mountain for the U-shaped steel bracket of deformation, and coal production cost is the highest.Some of which support damaged condition
Not quite, if some ways can be passed through, eliminate its local defect, can reach reusable purpose.Some Domestic colliery is tasted
Pilot production molds principle and is shaped U-shaped steel bracket repairing, and the method reparation precision is low, and efficiency is low, by mold shape
Limitation, also can make U-shaped steel that uncontrollable defect occurs, and sectional dimension change cannot be solved and the critical section that produces
And the medium difficult problem of stress collection, the U-shaped steel bracket after reparation does not reaches new product standard, it is impossible to meet recycling requirement.
At present, prior art does not has tunnel U-shaped steel bracket Plastic recovery equipment.
Summary of the invention
It is an object of the invention to provide a kind of tunnel U-shaped steel bracket Plastic recovery machine, overcome the deficiencies in the prior art, will damage
The U-shaped steel bracket that bad degree is little first passes through heat treatment, then through trimmer Plastic renovation, makes the U-shaped steel bracket after reparation reach
To being not less than the performance of new product, meet the requirement of recycling.
For solving above-mentioned technical problem, the technical scheme is that
Tunnel U-shaped steel bracket Plastic recovery machine, including the thermal treatment zone, quenching district, shaping region and discharging area, the thermal treatment zone is successively
Being connected with quenching district, shaping region, discharging area, U-shaped steel bracket realizes heat treatment after by the thermal treatment zone and quenching district；
The described thermal treatment zone includes steel loading machine, enters furnace roller road, heating furnace and furnace delivery table, enters furnace roller road, heating furnace and goes out furnace roller
Road is sequentially connected, and enters and is provided with steel loading machine by furnace roller road；
Described quenching district includes photoswitch one, quenching roller-way, clamping device and water pipe, and photoswitch one is arranged in pairs
In the tapping side in quenching district, clamping device is arranged between quenching roller-way, and water pipe is respectively provided on two sides with at U-shaped steel bracket
The nozzle of more than three；
Described shaping region includes roller-way after pinch roll before machine front roller-way, machine, seven roller trimmers and machine, machine front roller-way successively with machine
After front pinch roll, seven roller trimmers, machine, roller-way is connected；
Described discharging area includes conveyor roller, photoswitch two, fixed dam and chain type machine for moving steel, and conveyor roller tail end is provided with
Fixed dam, chain type machine for moving steel is located at conveyor roller side, and conveyor roller is provided with light in pairs with chain type machine for moving steel junction and establishes by cable
Close two.
Described seven roller trimmers include that trimmer base, outer arc roller seat, inner arc roller seat, outer arc roller, inner arc roller, U-shaped steel prop up
Frame, outer arc pinch roller and inner arc pinch roller, trimmer base is provided with outer arc roller seat outside corresponding shaping camber line, inner side is provided with inner arc
Roller seat, four outer arc rollers of arc shooting on outer arc roller seat, four outer arc roller centrage place segmental arcs are concentric with shaping camber line, phase
Adjacent outer arc roller angle is 20 °, three inner arc rollers of arc shooting on inner arc roller seat, three inner arc roller centrage place segmental arcs also with
Shaping camber line is concentric, and adjacent inner arc roller angle is also 20 °, and outer arc roller is crisscross arranged with inner arc roller, and outer arc roller is provided with outer arc
Pinch roller, inner arc roller is provided with inner arc pinch roller, gap and U-shaped steel bracket cross section profile phase one between outer arc pinch roller with inner arc pinch roller
Causing, outer arc roller and inner arc roller top are equipped with hydraulic motor.
Described inner arc roller includes inner arc pinch roller, wheel pressing shaft, upper pressure wheel set, taper roll bearing, self-aligning bearing and lower pressure wheel set,
Wheel pressing shaft stage casing is located at by inner arc pinch roller, is provided with taper roll bearing between wheel pressing shaft upper end and upper pressure wheel set, wheel pressing shaft lower end with
Being provided with self-aligning bearing between lower pressure wheel set, upper pressure wheel set is connected with inner arc roller seat respectively with lower pressure wheel set.
Described clamping device include slide support one, slide support two, fixed support one, fixed support two, hydraulic cylinder one,
Hydraulic cylinder two, slide one, slide two, outer arc top board and inner arc top board, slide support one and slide support two are separately positioned on
Quenching roller-way both sides；
Slide support one is provided with slide one, and fixed support one is located at the outside of slide support one, and fixed support one is provided with liquid
Cylinder pressure one, the tailpiece of the piston rod of hydraulic cylinder one is connected with slide one, and slide one is connected with outer arc top board；
Slide support two is provided with slide two, and fixed support two is located at the outside of slide support two, and fixed support two is provided with liquid
Cylinder pressure two, the tailpiece of the piston rod of hydraulic cylinder two is connected with slide two, and slide two is connected with inner arc top board, outer arc top board and inner arc
Between top board, gap is consistent with U-shaped steel bracket cross section profile, and outer arc top board and inner arc top board are arranged along U-shaped steel bracket total length
Right no less than 5.
Before described machine pinch roll include pinching seat one, pinch seat two, to pinch hydraulic cylinder, pinch roll support one, pinch roll driven
Axle, pinch driven pulley, pinch roll support two, pinch roll driving shaft and pinch drivewheel, pinch seat one and pinch seat two respectively
It is radially arranged in U-shaped steel bracket both sides, pinches seat one and be connected to the feed side of trimmer base, pinch seat one and be provided with and pinch
Roller support one, pinch roll support one is provided with pinch roll driving shaft, and pinch roll driving shaft is connected with pinching drivewheel by flat key,
Pinch roll driving shaft and pinch and be provided with bearing between drivewheel, pinch roll driving shaft end is connected with pinching oil motor；
The afterbody pinching seat two is provided with bearing, and bearing is provided with and pinches hydraulic cylinder, and the piston rod pinching hydraulic cylinder props up with pinch roll
Frame two is connected, and pinch roll support two is slidably connected with pinching seat two head, and pinch roll support two is provided with pinch roll driven shaft,
Pinch roll driven shaft is provided with and pinches driven pulley, pinch roll driven shaft and pinch and be provided with ball bearing between driven pulley.
Described heat-treating methods is to use quenching, self tempering mode, after workpiece stops 1～1.5 hour in heating furnace, and temperature
Degree leaves the thermal treatment zone after reaching 900 DEG C ± 10 DEG C, sprays water surface of the work 10～30 seconds in quenching district, and workpiece enters shaping region
Shi Wendu should be not less than 500 DEG C.
Compared with prior art, the invention has the beneficial effects as follows: be applicable to repair the U-shaped steel bracket that damaged condition is little, first warp
Heat treatment, then through trimmer shaping, make the U-shaped steel bracket after reparation reach to be not less than new product performance, meet recycling
Requirement, solve the colliery discarded U-shaped steel bracket that pile up like a mountain and process problem, can be that enterprise is cost-effective, there is promotion price
Value.
Accompanying drawing explanation
Fig. 1 is tunnel of the present invention U-shaped steel bracket Plastic recovery machine example structure schematic diagram；
Fig. 2 is the present invention seven roller trimmer example structure schematic diagram；
Fig. 3 is along line A-A sectional view in Fig. 2；
Fig. 4 is clamp embodiment structural representation of the present invention；
Fig. 5 is along line B-B sectional view in Fig. 4；
Fig. 6 is along pinch roll sectional view before line C-C machine in Fig. 1.
In figure: 1-thermal treatment zone 2-quenching 4-discharging area, 3-shaping region, district 5-steel loading machine 6-enters furnace roller road 7-heating
Before stove 8-photoswitch one 9-furnace delivery table 10-clamping device 11-water pipe 12-machine front roller-way 13-machine
Roller-way 16-conveyor roller 17-fixed dam 18-chain type machine for moving steel after pinch roll 14-seven roller trimmer 15-machine
19-photoswitch two 20-trimmer base 21-outer arc roller seat 22-inner arc roller seat 23-outer arc roller 24-inner arc roller
25-shaping camber line 26-U shape steel bracket 27-outer arc pinch roller 28-inner arc pinch roller 29-wheel pressing shaft 30-upper pressure wheel set
Set 35-slide support one 36-is sliding for 31-taper roll bearing 32-self-aligning bearing 33-hydraulic motor 34-lower pressure wheel
Seat support two 37-fixed support one 38-fixed support two 39-hydraulic cylinder one 40-hydraulic cylinder two 41-slide one
42-slide two 43-outer arc top board 44-inner arc top board 45-quenching roller-way 46-pinches seat one 47-and pinches seat two
48-bearing 49-pinches hydraulic cylinder 50-pinch roll support one 51-pinch roll driven shaft 52-and pinches driven pulley 53-
Ball bearing 54-pinch roll support two 55-pinches oil motor 56-pinch roll driving shaft 57-bearing 58-and pinches actively
Wheel 59-flat key
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further:
See Fig. 1, be tunnel of the present invention U-shaped steel bracket Plastic recovery machine example structure schematic diagram, including the thermal treatment zone 1,
Quenching district 2, shaping region 3 and discharging area 4, the thermal treatment zone 1 is connected with quenching district 2, shaping region 3, discharging area 4 successively；
The thermal treatment zone 1 includes steel loading machine 5, enters furnace roller road 6, heating furnace 7 and furnace delivery table 9, enters furnace roller road 6, heating furnace 7
It is sequentially connected with furnace delivery table 9, enters side, furnace roller road 6 and be provided with steel loading machine 5；
Quenching district 2 includes photoswitch 1, quenching roller-way 45, clamping device 10 and water pipe 11, photoswitch one
The 8 tapping sides being arranged in pairs in quenching district, clamping device 10 is arranged between quenching roller-way 45, and water pipe 11 is at U-shaped
Steel bracket is respectively provided on two sides with the nozzle of more than three, and in embodiment, both sides respectively arrange seven nozzles, and photoswitch 1 is used for
The clamping prelocalization of U-shaped steel bracket；
Shaping region 3 includes before machine front roller-way 12, machine roller-way 15, machine front roller-way after pinch roll 13, seven roller trimmer 14 and machine
12 are connected with roller-way 15 after pinch roll before machine 13, seven roller trimmer 14, machine successively；
Discharging area 4 includes conveyor roller 16, photoswitch 2 19, fixed dam 17 and chain type machine for moving steel 18, conveyor roller
16 tail ends are provided with fixed dam 17, and chain type machine for moving steel 18 is located at conveyor roller 16 side, and conveyor roller 16 moves steel with chain type
Machine 18 junction is provided with photoswitch 2 19 in pairs, and photoswitch 2 19 waits for blanking, it is to avoid chain type machine for moving steel 18
Workpiece is not taken off, cause windrow；
Seeing Fig. 2, Fig. 3, seven roller trimmers 14 include trimmer base 20, outer arc roller seat 21, inner arc roller seat 22, outer arc
Roller 23, inner arc roller 24, U-shaped steel bracket 26, outer arc pinch roller 27 and inner arc pinch roller 28, corresponding whole on trimmer base 20
Be provided with outer arc roller seat 21 outside shape camber line 25, inner side is provided with inner arc roller seat 22, on outer arc roller seat 21 outside arc shooting four
Arc roller 23, four outer arc roller 23 centrage place segmental arcs are concentric with shaping camber line 25, and adjacent outer arc roller angle is 20 °,
Three inner arc rollers 24 of arc shooting on inner arc roller seat 22, three inner arc roller 24 centrage place segmental arcs also with shaping camber line 25
With one heart, adjacent inner arc roller angle is also 20 °, and outer arc roller 23 is crisscross arranged with inner arc roller 24, outside outer arc roller 23 is provided with
Arc voltage wheel 27, inner arc roller 24 is provided with inner arc pinch roller 28, gap and U-shaped steel between outer arc pinch roller 27 and inner arc pinch roller 28
Support 26 cross section profile is consistent, and outer arc roller 23 and inner arc roller 24 top are equipped with hydraulic motor 33.
Inner arc roller 24 includes inner arc pinch roller 28, wheel pressing shaft 29, upper pressure wheel set 30, taper roll bearing 31, self-aligning bearing
32 and lower pressure wheel set 34, wheel pressing shaft 29 stage casing is located at by inner arc pinch roller 28, between wheel pressing shaft 29 upper end and upper pressure wheel set 30
It is provided with taper roll bearing 31, between wheel pressing shaft 29 lower end and lower pressure wheel set 34, is provided with self-aligning bearing 32, upper pressure wheel set 30
It is connected with inner arc roller seat 22 respectively with lower pressure wheel set 34.
See that Fig. 4, Fig. 5, clamping device include slide support 1, slide support 2 36, fixed support 1, fix and prop up
Frame 2 38, hydraulic cylinder 1, hydraulic cylinder 2 40, slide 1, slide 2 42, outer arc top board 43 and inner arc top board 44,
Slide support 1 and slide support 2 36 are separately positioned on quenching roller-way 45 both sides；
Slide support 1 is provided with slide 1, and fixed support 1 is located at the outside of slide support 1, fixing
Frame 1 is provided with hydraulic cylinder 1, and the tailpiece of the piston rod of hydraulic cylinder 1 is connected with slide 1, slide 1 and outer arc
Top board 43 is connected；
Slide support 2 36 is provided with slide 2 42, and fixed support 2 38 is located at the outside of slide support 2 36, fixing
Frame 2 38 is provided with hydraulic cylinder 2 40, and the tailpiece of the piston rod of hydraulic cylinder 2 40 is connected with slide 2 42, slide 2 42 and inner arc
Top board 44 is connected, and between outer arc top board 43 and inner arc top board 44, gap is consistent with U-shaped steel bracket 26 cross section profile,
It is right no less than five that outer arc top board 43 and inner arc top board 44 are uniformly arranged along U-shaped steel bracket 26 total length, is six right in embodiment,
The deflection of U-shaped steel bracket 26 during to limit quenching.
Seeing Fig. 6, before machine, pinch roll includes pinching seat 1, pinches seat 2 47, pinches hydraulic cylinder 49, pinch roll support one
50, pinch roll driven shaft 51, pinch driven pulley 52, pinch roll support 2 54, pinch roll driving shaft 56 and pinch drivewheel
58, pinch seat 1 and pinch seat 2 47 and be radially arranged in U-shaped steel bracket 26 both sides respectively, pinching seat 1 and be connected to
The feed side of trimmer base 20, pinches seat 1 and is provided with pinch roll support 1, and pinch roll support 1 is provided with
Pinch roll driving shaft 56, pinch roll driving shaft 56 is connected with pinching drivewheel 58 by flat key 59, pinch roll driving shaft 56
And pinching and be provided with bearing 57 between drivewheel 58, pinch roll driving shaft 56 end is connected with pinching oil motor 55；
The afterbody pinching seat 2 47 is provided with bearing 48, and bearing 48 is provided with and pinches hydraulic cylinder 49, pinches the work of hydraulic cylinder 49
Stopper rod is connected with pinch roll support 2 54, and pinch roll support 2 54 is slidably connected with pinching seat 2 47 head, and pinch roll props up
Frame 2 54 is provided with pinch roll driven shaft 51, and pinch roll driven shaft 51 is provided with and pinches driven pulley 52, pinch roll driven shaft
51 and pinch and between driven pulley 52, be provided with ball bearing 53.Pinch hydraulic cylinder 49 can make pinch driven pulley 52 and pinch drivewheel
The distance of 58 increases, and clamps when U-shaped steel bracket 26 head enters and pinches driven pulley 52 and pinch between drivewheel 58 again,
And U-shaped steel bracket 26 is sent in seven roller trimmers 14.
The heat treatment method that tunnel of the present invention U-shaped steel bracket is repaired, is to use quenching, self tempering mode, makes workpiece add
After stopping 1～1.5 hour in hot stove, temperature leaves the thermal treatment zone after reaching 900 DEG C ± 10 DEG C, sprays surface of the work in quenching district
Water 10～30 seconds, when workpiece enters shaping region, temperature should be not less than 500 DEG C.
Work process of the present invention is as follows:
1) U-shaped steel bracket is by entering on steel loading machine 5 front roller-way on furnace roller road 6, when allowing charging signal to arrive, and heating furnace
7 oven door opening, U-shaped steel bracket is pushed and returns after in heating furnace 7 by steel loading machine 5, and heating furnace 7 closes fire door, charging knot
Bundle；
2) after U-shaped steel bracket stops 1～1.5 hour in heating furnace 7, temperature reach 900 DEG C ± 10 DEG C after through furnace delivery table
9 leave the thermal treatment zone 1；
3), after U-shaped steel bracket is transported to quenching district 2, clamping device 10 is by stable for the clamping of U-shaped steel bracket, and water pipe 11 sprays
Water 10～30 seconds, after quenching terminates, U-shaped steel bracket is transported on machine front roller-way 12 by quenching roller-way 45, now U-shaped steel
Backing temp is more than 500 DEG C；
4) the U-shaped steel bracket after quenching can not be nipped in seven roller trimmers 14 automatically, and before machine, U-shaped steel is propped up by pinch roll 13
Frame is sent in the pass of seven roller trimmers 14, and after first three roller of seven roller trimmers is nipped, before machine, pinch roll 13 unclamps and returns；
5) the U-shaped steel bracket after shaping at cross sectional shape and radian all close to new product size through the conveyor roller 16 of discharging area 4,
Transporting rolls off the production line on chain type machine for moving steel 18 deposits；
6) U-shaped steel bracket after heat treatment is carried out yield strength, tensile strength, elongation after fracture test, mechanical property pair
Ratio is shown in Table 1.
Table 1
Analysis shows, after Overheating Treatment, the yield strength of U-shaped steel bracket is improved with tensile strength, the highest raising
35.7%, thermal effectiveness is obvious, fully achieves and is not less than new product performance, meets the requirement of recycling, and can
Improve existing U-shaped steel supporting intensity.
Claims (4)
1. tunnel U-shaped steel bracket Plastic recovery machine, it is characterised in that include the thermal treatment zone, quenching district, shaping region and under
Material district, the thermal treatment zone is connected with quenching district, shaping region, discharging area successively, and U-shaped steel bracket is by the thermal treatment zone and quenching district
After realize heat treatment；
The described thermal treatment zone includes steel loading machine, enters furnace roller road, heating furnace and furnace delivery table, enters furnace roller road, heating furnace and goes out furnace roller
Road is sequentially connected, and enters and is provided with steel loading machine by furnace roller road；
Described quenching district includes photoswitch one, quenching roller-way, clamping device and water pipe, and photoswitch one is arranged in pairs
In the tapping side in quenching district, clamping device is arranged between quenching roller-way, and water pipe is respectively provided on two sides with at U-shaped steel bracket
The nozzle of more than three；
Described shaping region includes roller-way after pinch roll before machine front roller-way, machine, seven roller trimmers and machine, machine front roller-way successively with machine
After front pinch roll, seven roller trimmers, machine, roller-way is connected；
Described discharging area includes conveyor roller, photoswitch two, fixed dam and chain type machine for moving steel, and conveyor roller tail end is provided with
Fixed dam, chain type machine for moving steel is located at conveyor roller side, and conveyor roller is provided with light in pairs with chain type machine for moving steel junction and establishes by cable
Close two；
Described seven roller trimmers include that trimmer base, outer arc roller seat, inner arc roller seat, outer arc roller, inner arc roller, U-shaped steel prop up
Frame, outer arc pinch roller and inner arc pinch roller, trimmer base is provided with outer arc roller seat outside corresponding shaping camber line, inner side is provided with inner arc
Roller seat, four outer arc rollers of arc shooting on outer arc roller seat, four outer arc roller centrage place segmental arcs are concentric with shaping camber line, phase
Adjacent outer arc roller angle is 20 °, three inner arc rollers of arc shooting on inner arc roller seat, three inner arc roller centrage place segmental arcs also with
Shaping camber line is concentric, and adjacent inner arc roller angle is also 20 °, and outer arc roller is crisscross arranged with inner arc roller, and outer arc roller is provided with outer arc
Pinch roller, inner arc roller is provided with inner arc pinch roller, gap and U-shaped steel bracket cross section profile phase one between outer arc pinch roller with inner arc pinch roller
Causing, outer arc roller and inner arc roller top are equipped with hydraulic motor；
Described inner arc roller includes inner arc pinch roller, wheel pressing shaft, upper pressure wheel set, taper roll bearing, self-aligning bearing and lower pressure wheel set,
Wheel pressing shaft stage casing is located at by inner arc pinch roller, is provided with taper roll bearing between wheel pressing shaft upper end and upper pressure wheel set, wheel pressing shaft lower end with
Being provided with self-aligning bearing between lower pressure wheel set, upper pressure wheel set is connected with inner arc roller seat respectively with lower pressure wheel set.
Tunnel the most according to claim 1 U-shaped steel bracket Plastic recovery machine, it is characterised in that described clamping fills
Put and include slide support one, slide support two, fixed support one, fixed support two, hydraulic cylinder one, hydraulic cylinder two, slide
One, slide two, outer arc top board and inner arc top board, slide support one and slide support two are separately positioned on quenching roller-way both sides；
Slide support one is provided with slide one, and fixed support one is located at the outside of slide support one, and fixed support one is provided with liquid
Cylinder pressure one, the tailpiece of the piston rod of hydraulic cylinder one is connected with slide one, and slide one is connected with outer arc top board；
Slide support two is provided with slide two, and fixed support two is located at the outside of slide support two, and fixed support two is provided with liquid
Cylinder pressure two, the tailpiece of the piston rod of hydraulic cylinder two is connected with slide two, and slide two is connected with inner arc top board, outer arc top board and inner arc
Between top board, gap is consistent with U-shaped steel bracket cross section profile, and outer arc top board and inner arc top board are arranged along U-shaped steel bracket total length
Right no less than 5.
Tunnel the most according to claim 1 U-shaped steel bracket Plastic recovery machine, it is characterised in that described machine fore-clamp
Send roller include pinching seat one, pinch seat two, pinch hydraulic cylinder, pinch roll support one, pinch roll driven shaft, pinch driven pulley,
Pinch roll support two, pinch roll driving shaft and pinch drivewheel, pinch seat one and pinch seat two and be radially arranged in U-shaped steel respectively
Support both sides, pinch seat one and are connected to the feed side of trimmer base, pinch seat one and are provided with pinch roll support one, pinch roll
Support one is provided with pinch roll driving shaft, and pinch roll driving shaft is connected with pinching drivewheel by flat key, pinch roll driving shaft and
Pinching and be provided with bearing between drivewheel, pinch roll driving shaft end is connected with pinching oil motor；
The afterbody pinching seat two is provided with bearing, and bearing is provided with and pinches hydraulic cylinder, and the piston rod pinching hydraulic cylinder props up with pinch roll
Frame two is connected, and pinch roll support two is slidably connected with pinching seat two head, and pinch roll support two is provided with pinch roll driven shaft,
Pinch roll driven shaft is provided with and pinches driven pulley, pinch roll driven shaft and pinch and be provided with ball bearing between driven pulley.
Tunnel the most according to claim 1 U-shaped steel bracket Plastic recovery machine, it is characterised in that described heat treatment
Method be use quenching, self tempering mode, after workpiece stops 1～1.5 hour in heating furnace, temperature reach 900 DEG C ±
Leaving the thermal treatment zone after 10 DEG C, spray water surface of the work 10～30 seconds in quenching district, when workpiece enters shaping region, temperature should not be low
In 500 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110299854.0A CN103028920B (en) | 2011-09-30 | 2011-09-30 | Tunnel U-shaped steel bracket Plastic recovery machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110299854.0A CN103028920B (en) | 2011-09-30 | 2011-09-30 | Tunnel U-shaped steel bracket Plastic recovery machine |
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| CN103028920B true CN103028920B (en) | 2016-08-31 |
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| CN107552595B (en) * | 2017-08-04 | 2018-05-04 | 江苏利通电子股份有限公司 | A kind of reforming device |
| CN107716616B (en) * | 2017-10-11 | 2019-11-19 | 江苏强盛汽配制造有限公司 | A kind of braking automobile adjustment arm arm body rod portion heat treatment deformation correction process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202292021U (en) * | 2011-09-30 | 2012-07-04 | 鞍钢重型机械有限责任公司 | U-shaped steel support repairing and shaping machine for roadways |
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| DE69638361D1 (en) * | 1995-09-29 | 2011-06-09 | Sumitomo Metal Ind | Method of correcting U-shaped steel sheet piles |
| CN2685348Y (en) * | 2004-03-16 | 2005-03-16 | 南京长江电炉厂有限公司 | Heat processing equipment |
| CN2866519Y (en) * | 2005-11-29 | 2007-02-07 | 宝山钢铁股份有限公司 | Steel pipe water quenching heat treatment device |
| CN200957974Y (en) * | 2006-09-29 | 2007-10-10 | 姜其平 | Banding collector of hot-pressed fixed-size rod |
| CN200988022Y (en) * | 2006-11-27 | 2007-12-12 | 无锡绿环清理机械有限公司 | Servo paint spraying mechanism for steel pre-treating complete set production device |
| CN101560595B (en) * | 2008-07-14 | 2011-01-12 | 一汽解放青岛汽车厂 | Induction heat processing method of truck longeron and device thereof |
| CN201357188Y (en) * | 2009-02-27 | 2009-12-09 | 武汉钢铁(集团)公司 | Novel shaping device for open cold-forming sectional steel tip |
| CN101537443B (en) * | 2009-05-06 | 2011-04-27 | 北京首钢国际工程技术有限公司 | Deep processing treatment system for hot rolling strip steel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202292021U (en) * | 2011-09-30 | 2012-07-04 | 鞍钢重型机械有限责任公司 | U-shaped steel support repairing and shaping machine for roadways |
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Effective date of registration: 20220803 Address after: 114000 a, Jianguo East Road, Lishan District, Anshan City, Liaoning Province Patentee after: Anshan Iron and steel heavy machinery design and Research Institute Co.,Ltd. Address before: 114000 a, Jianguo East Road, Lishan District, Anshan City, Liaoning Province Patentee before: ANGANG HEAVY MACHINERY Co.,Ltd. |