CN102311740A - Method for rectifying deformation of coke pushing rod of coke pusher - Google Patents
Method for rectifying deformation of coke pushing rod of coke pusher Download PDFInfo
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- CN102311740A CN102311740A CN2010102175322A CN201010217532A CN102311740A CN 102311740 A CN102311740 A CN 102311740A CN 2010102175322 A CN2010102175322 A CN 2010102175322A CN 201010217532 A CN201010217532 A CN 201010217532A CN 102311740 A CN102311740 A CN 102311740A
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- pushing ram
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- pushing rod
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Abstract
The invention discloses a method for rectifying deformation of a coke pushing rod of a coke pusher. Vertical ribd and transverse ribs at the convex side and a rack of the coke pushing rod are firstly disassembled, the centers of the lower flat plates of the head end and the tail end of the deformed section of the coke pushing rod are respectively positioned on an eighth jack and a support rack, a horizontal steel wire rope is bridged, the maximum upwarp point of the center of an upper flat plate of the coke pushing rod is provided with a jack, the upper part and the lower part of the head end and the tail end at the concave side of the coking pushing rod are respectively vertically provided with jacks at intervals, the upper part and the lower part of the side bent point of the convex side of the coke pushing rod are respectively vertically provided with jacks at intervals, the jack at the upwarp point is started to push the coke pushing rod to pass the horizontal section by 10mm when the upwarp is rectified, and when side bending is rectified, the jack at the convex side is started, and the pushing distance is 5mm away from the horizontal section. The upper flat plate and the convex side of the coke pushing rod are roasted with flame, the disassembled vertical ribs and transverse ribs are repaired and re-welded, the lower parts of the transverse ribs are welded with a plurality of short vertical ribs, and the jacks are disassembled to complete rectification. With the method, the rectification of the deformation of the coke pushing rod can be reliably implemented, the flexibility and the success rate of the rectification of the coke pushing rod are improved, and the production cost is obviously reduced.
Description
Technical field
The present invention relates to a kind of antidote of pushing machine pushing ram distortion.
Background technology
Pushing ram is the major parts on the coke oven pushing car, and its operation mainly is to be used for red Jiao in the carbonizing chamber of coke oven is shifted onto in the coke guiding locomotive and accomplishes the process of the discharging of the coke of coke oven.Its stroke distances is greater than the length of carbonizing chamber of coke oven during pushing ram work; And long term operation is under hot environment; Therefore pushing ram deforms through regular meeting in use for some time; This distortion generally shows as pushing ram arch or lateral bending, and lateral bending makes the pushing ram both sides form protruding side and recessed side, and the pushing ram of distortion influences the discharging of the coke of red Jiao of carbonizing chamber of coke oven.When arch took place pushing ram, coke pushing main drive gear bearing seat was beated, and when coke pushing driving toothed gear and the engagement of pushing ram tooth bar serious " gnawing tooth ", the wearing and tearing of pushing ram piston shoes base plate are accelerated, and coke pushing current obviously strengthens.Grazing furnace wall during the pushing ram lateral bending, impairment furnace campaign.Therefore the pushing ram distortion has had a strong impact on the operation of normally the discharging of the coke of carbonizing chamber of coke oven, causes equipment failure or damage.
Usually adopt new product to change during the pushing ram distortion, it is simple, reliable to change the pushing ram new product, but its cost is higher, and changing a new product pushing ram need more than 50 ten thousand yuan; Be that the distortion pushing ram is corrected in addition; As depicted in figs. 1 and 2; Pushing ram comprises upper flat plate 11, following flat board 12 and is located at upper flat plate 11 at interval between two parties and the starting stave 13 and second riser 14 between following dull and stereotyped 12 that also be provided with the rigidity that some upright ribs 15 and cross rib 16 are used to strengthen pushing ram in the pushing ram both sides, the rectification of pushing ram generally adopts grilled gun that the maximum distortion place that is located at pushing ram deformation section on the bracing frame is toasted; Imposing external force then corrects distortion place; Rectification work needs certain actually operating experience, careless slightlyly may cause the pushing ram state deteriorating, even scraps.
Summary of the invention
Technical problem to be solved by this invention provides a kind of antidote of pushing machine pushing ram distortion, utilizes present method reliably to implement the rectification work of pushing ram distortion, has improved corrigent handiness of pushing ram and success ratio, has significantly reduced production cost.
For solving the problems of the technologies described above; The antidote of pushing machine pushing ram distortion of the present invention; Said pushing ram comprises upper flat plate, the starting stave and second riser between upper flat plate and the following flat board is located at dull and stereotyped and interval between two parties down; Also be provided with some upright ribs and cross rib in the pushing ram both sides, pushing ram deform section forms arch in vertical direction, horizontal direction forms protruding side and recessed side, and present method comprises the steps:
The some upright rib and the cross rib of step 1, the protruding side of employing cutting torch dismounting pushing ram deformation section, dismounting connects the tooth bar of pushing ram;
The upper flat plate central vertical of step 3, the maximum camber of pushing ram deformation section is provided with first screw block; Maximum lateral bending point in the protruding side of pushing ram deformation section; Vertical starting stave has second screw block and the 3rd screw block on the interval; At the tail end and the head end of the recessed side of pushing ram deformation section, vertical second riser has the 6th screw block, the 7th screw block and the 4th screw block, the 5th screw block on the interval respectively;
When step 4, pushing ram deformation section camber were corrected, bracing frame supported the pushing ram deformation section with the 8th screw block, is benchmark with horizontal wireline, starts first screw block mistake 10mm to the level is pushed up in arch place of pushing ram deformation section;
When step 5, the rectification of pushing ram deformation section lateral bending; Bracing frame and the 8th screw block support the pushing ram deformation section; Start the 4th screw block, the 5th screw block and the 6th screw block, the 7th screw block against the head end and the tail end of living the recessed side of pushing ram deformation section; Start the lateral bending point of second screw block and the protruding side of the 3rd screw block pushing tow pushing ram deformation section and be benchmark with horizontal wireline, the pushing tow distance be back 5mm directly
The upper flat plate and the protruding side of step 6, employing oxygen-acetylene torch baking pushing ram deformation section, baking is extended and even baking to two ends from pushing ram maximum distortion place, and storing temperature is 600～800 ℃, naturally cools to envrionment temperature after baking finishes;
Because the antidote of pushing machine pushing ram distortion of the present invention has adopted technique scheme; Promptly at first dismantle upright rib and the cross rib and the tooth bar of the protruding side of pushing ram deformation section; Dull and stereotyped center lays respectively on bracing frame and the 8th screw block and sets up horizontal wireline under the down dull and stereotyped and head end of pushing ram deformation section tail end; Maximum camber place, pushing ram deformation section upper flat plate center is provided with screw block, the recessed side of pushing ram deformation section two ends up and down respectively perpendicular separation respectively be provided with screw block, the protruding side lateral bending of pushing ram deformation section place up and down respectively perpendicular separation respectively be provided with screw block; Start camber place screw block pushing tow pushing ram when camber is corrected and cross horizontal 10mm; Start lateral bending place screw block when lateral bending is corrected, the pushing tow distance was 5mm after the level, and the screw block of the recessed side of pushing ram deformation section this moment two ends is as support; Adopt flame baking pushing ram deformation section upper flat plate and protruding side, repair upright rib and the cross rib and the welding again of dismounting, the upright rib of some weak points is welded in the cross rib bottom, and the dismounting screw block is accomplished and corrected.Present method is reliably implemented the rectification work of pushing ram distortion, has improved corrigent handiness of pushing ram and success ratio, has significantly reduced production cost.
Description of drawings
The present invention is described in further detail below in conjunction with accompanying drawing and embodiment:
Fig. 1 is the structural representation of pushing ram,
Fig. 2 is the side-view of Fig. 1,
Fig. 3 is the be provided with synoptic diagram of each screw block of present method at pushing ram,
Fig. 4 be the A-A of Fig. 3 to enlarged view,
Fig. 5 is Fig. 3 vertical view.
Embodiment
The antidote of pushing machine pushing ram distortion of the present invention; As depicted in figs. 1 and 2; Said pushing ram comprises upper flat plate 11, following flat board 12 and is located at upper flat plate 11 at interval between two parties and the starting stave 13 and second riser 14 between following dull and stereotyped 12; Also be provided with some upright ribs 15 and cross rib 16 in the pushing ram both sides, pushing ram deform section forms arch in vertical direction, horizontal direction forms protruding side and recessed side, and present method comprises the steps:
It is extremely shown in Figure 5 like Fig. 3,
Upper flat plate 11 central vertical of step 3, pushing ram deformation section 10 maximum cambers are provided with first screw block 1; Maximum lateral bending point in pushing ram deformation section 10 protruding sides; Vertical starting stave has second screw block 2 and the 3rd screw block 3 on 13 intervals; At the tail end and the head end of pushing ram deformation section 10 recessed sides, vertical second riser 14 has the 6th screw block 6, the 7th screw block 7 and the 4th screw block 4, the 5th screw block 5 respectively at interval;
When step 4, pushing ram deformation section 10 cambers were corrected, bracing frame 18 supported pushing ram deformation sections 10 with the 8th screw block 8, is benchmark with horizontal wireline 19, starts first screw block 1 mistake 10mm to the level is pushed up in 10 arches place of pushing ram deformation section;
When step 5, the rectification of pushing ram deformation section 10 lateral bendings; Bracing frame 18 and the 8th screw block 8 support pushing ram deformation section 10; Start the 4th screw block 4, the 5th screw block 5 and the 6th screw block 6, the 7th screw block 7 against the head end and the tail end of living pushing ram deformation section 10 recessed sides; Start the lateral bending point of second screw block 2 and the 3rd screw block 3 pushing tow pushing ram deformation sections 10 protruding sides and be benchmark with horizontal wireline 19, the pushing tow distance be back 5mm directly;
The upper flat plate 11 and the protruding side of step 6, employing oxygen-acetylene torch baking pushing ram deformation section 10; Baking is extended and evenly baking to two ends from pushing ram deformation section 10 maximum distortion places; Storing temperature is 600～800 ℃, naturally cools to envrionment temperature after baking finishes;
In present method; Second screw block and the 3rd screw block, the 4th screw block and the 5th screw block, the 6th screw block and the 7th screw block need to use in pairs and synergy; The screw block at recessed side head and the tail two ends is against the pushing ram deformation section; The screw block pushing tow pushing ram deformation section of protruding side lateral bending point is also crossed straight line, to correct the lateral bending of pushing ram; When the pushing ram camber was corrected, bracing frame supported pushing ram with the 8th screw block, and need are set overlap with pushing ram longitudinal center of first screw block turned round the coke pushing masthead in the process of pushing tow preventing, started first screw block and will go up apsis and be pushed into sea line; Being provided with as camber and the corrigent benchmark of lateral bending of wireline arches up to departing from the horizontal reference of wireline, and lateral bending is the linear datum that departs from wireline; Pushing ram baking adopts six grilled gun, and weldering is chewed the aperture more than 3.0mm, to the upper flat plate and the protruding side even heating of pushing ram deformation section steel plate is heated between maroon to the cherry red, and storing temperature and area are by low paramount, by little extremely greatly; For preventing bounce-back, the screw block pushing tow is crossed and is made after the level pushing ram form antiarch, behind the upright rib and cross rib of REPAIR WELDING again, can reduce the pushing ram internal stress effectively when unclamping screw block, the level of assurance pushing ram; Cross rib can effectively further prevent lateral bending, keeps whole pushing ram at same straight line, and upright rib can make pushing ram be maintained at the same horizontal plane effectively, and the bottom increases short upright rib can effectively suppress the pushing ram arch.Present method is reliably implemented the rectification work of pushing ram distortion neatly, has improved corrigent handiness of pushing ram and success ratio, has significantly reduced production cost.
Claims (1)
1. the antidote of pushing machine pushing ram distortion; Said pushing ram comprises upper flat plate, the starting stave and second riser between upper flat plate and the following flat board is located at dull and stereotyped and interval between two parties down; Also be provided with some upright ribs and cross rib in the pushing ram both sides, it is characterized in that present method comprises the steps:
The some upright rib and the cross rib of step 1, the protruding side of employing cutting torch dismounting pushing ram deformation section, dismounting connects the tooth bar of pushing ram;
Step 2, dull and stereotyped center under the pushing ram deformation section tail end is located on the bracing frame; Dull and stereotyped central vertical is provided with the 8th screw block under the pushing ram deformation section head end; Bracing frame and the 8th screw block support the pushing ram deformation section and are positioned at horizontal plane, and the self-supporting frame sets up horizontal wireline along flat board under the pushing ram deformation section;
The upper flat plate central vertical of step 3, the maximum camber of pushing ram deformation section is provided with first screw block; Maximum lateral bending point in the protruding side of pushing ram deformation section; Vertical starting stave has second screw block and the 3rd screw block on the interval; At the tail end and the head end of the recessed side of pushing ram deformation section, vertical second riser has the 6th screw block, the 7th screw block and the 4th screw block, the 5th screw block on the interval respectively;
When step 4, pushing ram deformation section camber were corrected, bracing frame supported the pushing ram deformation section with the 8th screw block, is benchmark with horizontal wireline, starts first screw block mistake 10mm to the level is pushed up in arch place of pushing ram deformation section;
When step 5, the rectification of pushing ram deformation section lateral bending; Bracing frame and the 8th screw block support the pushing ram deformation section; Start the 4th screw block, the 5th screw block and the 6th screw block, the 7th screw block against the head end and the tail end of living the recessed side of pushing ram deformation section; Start the lateral bending point of second screw block and the protruding side of the 3rd screw block pushing tow pushing ram deformation section and be benchmark with horizontal wireline, the pushing tow distance be back 5mm directly;
The upper flat plate and the protruding side of step 6, employing oxygen-acetylene torch baking pushing ram deformation section, baking is extended and even baking to two ends from pushing ram maximum distortion place, and storing temperature is 600～800 ℃, naturally cools to envrionment temperature after baking finishes;
Step 7, repair dismounting the protruding side of pushing ram deformation section some upright rib and cross rib and be welded in the protruding side of pushing ram deformation section again, the interval is provided with some weak points and founds rib between two cross ribs of the protruding side lower part of pushing ram and play flat board;
Step 8, dismounting first to the 8th screw block are accomplished the rectification of pushing ram arch or lateral bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102175322A CN102311740A (en) | 2010-07-01 | 2010-07-01 | Method for rectifying deformation of coke pushing rod of coke pusher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102175322A CN102311740A (en) | 2010-07-01 | 2010-07-01 | Method for rectifying deformation of coke pushing rod of coke pusher |
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| CN102311740A true CN102311740A (en) | 2012-01-11 |
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| CN2010102175322A Pending CN102311740A (en) | 2010-07-01 | 2010-07-01 | Method for rectifying deformation of coke pushing rod of coke pusher |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103059885A (en) * | 2013-01-14 | 2013-04-24 | 重庆钢铁(集团)有限责任公司 | Online rapid changing method for coke pushing rods of coke pusher |
| CN103192158A (en) * | 2012-11-30 | 2013-07-10 | 中国十九冶集团有限公司南京分公司 | Method for welding pushing rams of coke pusher used in coke oven traveling machine |
| CN104479695A (en) * | 2014-12-11 | 2015-04-01 | 攀钢集团工程技术有限公司 | Pushing ram correcting method |
| CN105502071A (en) * | 2015-12-01 | 2016-04-20 | 芜湖成德龙过滤设备有限公司 | Automatic regulating mechanism used for folding machine pressure shaft |
| CN112322311A (en) * | 2020-10-20 | 2021-02-05 | 中国十九冶集团有限公司 | Online correction device and method for side bending of pushing ram |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2126326A (en) * | 1982-08-26 | 1984-03-21 | Koppers Co Inc | Coke oven pusher ram |
| PL275121A1 (en) * | 1988-10-05 | 1990-04-17 | Koksoprojekt | Push-out or balancing bar for a battery of coke ovens and method of replacing the same |
-
2010
- 2010-07-01 CN CN2010102175322A patent/CN102311740A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2126326A (en) * | 1982-08-26 | 1984-03-21 | Koppers Co Inc | Coke oven pusher ram |
| PL275121A1 (en) * | 1988-10-05 | 1990-04-17 | Koksoprojekt | Push-out or balancing bar for a battery of coke ovens and method of replacing the same |
Non-Patent Citations (3)
| Title |
|---|
| 《机械工人》 19980531 孙景荣 焊接结构"推焦杆"的气体火焰矫正 , 第5期 * |
| 倪波 等: "JT-6-1型推焦机推焦杆的校正", 《中国设备管理》, no. 9, 30 September 1999 (1999-09-30) * |
| 孙景荣: "焊接结构"推焦杆"的气体火焰矫正", 《机械工人》, no. 5, 31 May 1998 (1998-05-31) * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192158A (en) * | 2012-11-30 | 2013-07-10 | 中国十九冶集团有限公司南京分公司 | Method for welding pushing rams of coke pusher used in coke oven traveling machine |
| CN103192158B (en) * | 2012-11-30 | 2015-08-26 | 中国十九冶集团有限公司南京分公司 | For the pushing ram welding method of the pusher machine in battery moving machine |
| CN103059885A (en) * | 2013-01-14 | 2013-04-24 | 重庆钢铁(集团)有限责任公司 | Online rapid changing method for coke pushing rods of coke pusher |
| CN103059885B (en) * | 2013-01-14 | 2013-11-13 | 重庆钢铁(集团)有限责任公司 | Online rapid changing method for coke pushing rods of coke pusher |
| CN104479695A (en) * | 2014-12-11 | 2015-04-01 | 攀钢集团工程技术有限公司 | Pushing ram correcting method |
| CN105502071A (en) * | 2015-12-01 | 2016-04-20 | 芜湖成德龙过滤设备有限公司 | Automatic regulating mechanism used for folding machine pressure shaft |
| CN112322311A (en) * | 2020-10-20 | 2021-02-05 | 中国十九冶集团有限公司 | Online correction device and method for side bending of pushing ram |
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Application publication date: 20120111 |