CN110509222A - The detachment device and method for splitting of centring roll part on a kind of high-speed wheel milling train - Google Patents
The detachment device and method for splitting of centring roll part on a kind of high-speed wheel milling train Download PDFInfo
- Publication number
- CN110509222A CN110509222A CN201910859028.3A CN201910859028A CN110509222A CN 110509222 A CN110509222 A CN 110509222A CN 201910859028 A CN201910859028 A CN 201910859028A CN 110509222 A CN110509222 A CN 110509222A
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- Prior art keywords
- centring roll
- plate
- hydraulic jack
- centring
- roll
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000003801 milling Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 35
- 239000010959 steel Substances 0.000 claims abstract description 35
- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The invention discloses a kind of detachment devices of centring roll part on high-speed wheel milling train, by structural member base device and hydraulic jack device, the structural member base device includes rectangle steel substrate, jack stand fixed plate, the anti-displacement semi arch vertical plate of centring roll, two sides horizontal fixed plate, the hydraulic jack device is by hydraulic jack, semi arch connecting plate, bottom plate and standing screw composition, centring roll and hydraulic jack are fixed between jack stand fixed plate and the anti-displacement semi arch vertical plate of centring roll, hydraulic jack is directed at centring roll fixed pin shaft, starting hydraulic jack can eject fixed pin shaft, centring roll is completed to split.A kind of method for splitting of centring roll part on high-speed wheel milling train is also disclosed in the present invention, can quickly remove centring roll fixed pin shaft on high-speed wheel milling train, and reduce labor intensity of workers, improve labor efficiency.
Description
Technical field
The present invention relates to the working service fields of mill for rolling center disctype wheels equipment, and in particular to centring roll on a kind of high-speed wheel milling train
The detachment device and method for splitting of part.
Background technique
Horse steel wheel company is the important train wheel production base in China, is the wheel manufacturing enterprise of Fia,
It is the domestic enterprise that can uniquely produce 120Km/h or more speed class wheel of passenger vehicle, heavy-duty wheel research and development have reached international advanced
It is horizontal.Two wheel production lines are shared at present, annual capacity 800000, three line of wheel rolling is constructed and put into operation in October, 2008,
It is that process is most short in the world so far, one of automated information degree highest, professional strongest wheel production line, and rolls
The core process of system wheel production is exactly that the preform of wheel and forming are rolled by 90MN tons of hydraulic presses, the wheel rim of wheel
From vertical mill, centring roll high speed rotation pressure rolling is formed up and down with, last 50MN hydraulic press wheel alignment punching.Centering
Roller is as the important spare part in wheel compacting systematic procedure, and there are revolving speed height, and the required precision of hollow home roll face is high, positioning accuracy
Assembly is high, but since the roll surface of the hollow home roll in centring roll is constantly by the huge extruding hard grind of the hot and cold alternation of red steel, makes
After a period of time, mating surface is destroyed, and influences wheel product rolling quality, if the whole new centring roll of frequent replacement is complete
Year not only needs million yuan of spare part expenses, but also makes new spare part not only the period is long, certainly will influence to produce.
Therefore analyzed and tackled key problems reparation from replaced unqualified centring roll, whole centring roll major part composition
Be divided into: centring roll door shape cabinet, hollow home roll, two sides bearing hole, fixed pin shaft, when reparation, only need to be centring roll hollows therein
Home roll replacement can be used, that is, it is crucial split fixed pin shaft in hollow home roll is connected to, it is new without using entirety
Centring roll various components assembling be all to split by interference fit and assembling is all easy to, but be directed to existing urgent need
The centring roll repaired tackle key problems since in actual use, the fixed pin shaft of hollow home roll and connection is due to long-term loaded current situation out
The factors such as portion's abrasion deformation, therefore cause to dismantle extremely difficult, it is torn open using conventional fixed pin shaft withdrawing device or weight impingement method
Point and machining process split etc. and to be connected and fixed pin shaft taking-up in unsuitable centring roll herein, in order to restore raw as early as possible
It produces, designs a kind of easy centring roll and be connected and fixed pin shaft detachment device for therein and formulate perfect technology construction method
Meet process requirements, in addition, a kind of easy detachment device and method ensures that whole centring roll will not occur when splitting
Various performances not up to standard are installed and generated to the precision of the structural other sub-assemblies cooperation for deforming not influence of rolled.
Summary of the invention
It is extremely difficult in removing method to be connected and fixed dismounting hinge pin in centring roll on the current high-speed wheel milling train of solution
The problem of process, the present invention provides a kind of detachment device of centring roll part on high-speed wheel milling train and fractionation sides
Method.
The specific technical solution that the present invention takes is as follows:
The detachment device of centring roll part on a kind of high-speed wheel milling train, the detachment device is by structural member base device
It is formed with hydraulic jack device, the structural member base device includes rectangle steel substrate, plate upper surface elongatedness
Direction front-rear position is fixed with two pieces of steel vertical plates, and described one piece of steel vertical plate is jack stand fixed plate, another
Block is the anti-displacement semi arch vertical plate of centring roll；The steel vertical plate two sides are symmetrically fixed with two sides horizontal fixed plate, described
Steel vertical plate and two sides horizontal fixed plate form a cuboid installation space on rectangle steel substrate jointly；The centering
Roller and hydraulic jack device are placed sequentially between the anti-displacement semi arch vertical plate of centring roll and jack stand fixed plate,
Described hydraulic jack device one end is directed at centring roll fixed pin shaft close to jack stand fixed plate, the other end.
Further, the fixed back of the jack stand is provided with gusseted plate, the centring roll
The anti-displacement semi arch vertical plate back side is provided with L shape support plate.
Further, the hydraulic jack device is by hydraulic jack, semi arch connecting plate, bottom plate and standing screw
Composition, the bottom plate quadrangle have been bolted adjusting screw rod, and plate upper surface is fixed with semi arch connecting plate, described
Hydraulic jack is lain in a horizontal plane on semi arch connecting plate, and the hydraulic jack device is placed on rectangle steel substrate
On, the jack stand is bonded jack stand fixed plate, and plunger end is towards centring roll fixed pin shaft.
Further, the diameter of plunger of the hydraulic jack is less than centring roll fixed pin shaft diameter, and plungers length is big
In centring roll fixed pin shaft length.
The method for splitting of centring roll part on a kind of high-speed wheel milling train, steps are as follows:
Firstly, placing structure part base device at the scene, is hung centring roll level using minitype travelling crane and is vacantly tightly attached to
On the inside of the anti-displacement semi arch vertical plate of centring roll, guarantee that centring roll fixed pin shaft is in the anti-displacement semi arch vertical plate center of centring roll,
It is ejected convenient for centring roll fixed pin shaft by hydraulic jack；
Then hydraulic jack device handling is mounted in the jack stand fixed plate of structural member base device
Jack stand and jack stand fixed plate level are adjacent to by side, and other end hydraulic jacking ram will be aligned
Then centring roll fixed pin shaft tightens nut secured adjusted screw rod.
Finally starting hydraulic jack device pushes up centring roll fixed pin shaft from bearing hole by hydraulic jacking ram
It splits out, finally takes out hollow home roll, and this split process will not destroy centring roll door shape cabinet.
Compared with prior art, the invention has the benefit that
Detachment device structure of the invention is simple, makes and easy to use, can not only quickly remove high-speed wheel milling train
Fixed pin shaft in upper centring roll, and labor intensity of workers is reduced, it improves labor efficiency, reduces rehabilitation expense, while this dress
It sets and occupies little space, low manufacture cost, working service is conveniently.
Detailed description of the invention
Fig. 1 is the schematic diagram of centring roll part detachment device；
Fig. 2 is the schematic diagram of centring roll part detachment device；
Fig. 3 is the schematic diagram of structural member base device；
Fig. 4 is the schematic diagram of hydraulic jack device；
In figure: 1- rectangle steel substrate, 2- jack stand fixed plate, the anti-displacement semi arch of 3- centring roll are vertical
Plate, the two sides 4- horizontal fixed plate, 5- gusseted plate, 6- L shape support plate, 7- centring roll, 8- hydraulic jack, 9- semi arch
Connecting plate, 10- bottom plate, 11- adjusting screw rod, 71- centring roll door shape cabinet, 72- centring roll fixed pin shaft, 73- hollow home roll.
Specific embodiment
The present invention is further described through with embodiment with reference to the accompanying drawings of the specification.
As shown in fig. 1 to fig. 4, on a kind of high-speed wheel milling train of the present invention centring roll part detachment device, detachment device
It is made of structural member base device and hydraulic jack device.
Structural member base device includes rectangle steel substrate 1, jack stand fixed plate 2, the anti-displacement of centring roll
Semi arch vertical plate 3, two sides horizontal fixed plate 4.1 upper surface elongatedness direction front-rear position of rectangle steel substrate is fixed with two pieces
Steel vertical plate, one piece of steel vertical plate is jack stand fixed plate 2, and another piece is the anti-displacement semi arch vertical plate 3 of centring roll；
Steel vertical plate two sides are symmetrically fixed with two sides horizontal fixed plate 4, and steel vertical plate and two sides horizontal fixed plate 4 are jointly in the rectangular bar of steel
A cuboid installation space is formed on bottom plate processed.Centring roll 7 and hydraulic jack device are placed sequentially in the anti-displacement of centring roll
Between semi arch vertical plate 3 and jack stand fixed plate 2, hydraulic jack device one end is solid close to jack stand
Fixed board 2, the other end are directed at centring roll fixed pin shaft 72, just eject centring roll fixed pin shaft 72 with subsequent operation.
The upper plane of above-mentioned rectangle steel substrate 1 will be using machining flatness, in order to subsequent guarantee process
The precision of installation.
Above-mentioned 2 back side of jack stand fixed plate is provided with gusseted plate 5, and the anti-displacement semi arch of centring roll is vertical
3 back side of plate is provided with L shape support plate 6, so that overall structure is more firm.
As shown in figure 4, hydraulic jack device is by hydraulic jack 8, semi arch connecting plate 9, bottom plate 10 and adjusting screw rod
11 compositions.10 4 jiaos of bottom plate are fixed with adjusting screw rod 11 by nut, and adjusting screw rod 11 serves as supporting leg use, can use nut
Adjustment height is simultaneously fixed.10 upper surface of bottom plate is welded with semi arch connecting plate 9, and hydraulic jack 8 lies in a horizontal plane in semicircle
On arc connecting plate 9, in order to make to prevent hydraulic jack 8 more firm, with solid before and after two semi arch connecting plates 9 in the present embodiment
It is fixed.
In use, hydraulic jack device is placed on rectangle steel substrate 1,8 pedestal of hydraulic jack is bonded liquid
Jack base fixed plate 2 is pressed, 8 plunger end of hydraulic jack is towards centring roll fixed pin shaft 72.
Before use, first making structural member base device
Jack stand fixed plate 2 is first weldingly fixed on 1 side of rectangle steel substrate, then gusseted
Plate 5 is weldingly fixed on 2 outside of jack stand steel vertical plate；It is welded and fixed pair in 1 other side of rectangle steel substrate again
Then the anti-displacement semi arch vertical plate 3 of central roll is weldingly fixed on L shape support plate 6 outside the anti-displacement semi arch vertical plate 3 of centring roll
Side；Guarantee that ranging is from enough 7 Hes of centring roll in jack stand fixed plate 2 and the anti-displacement semi arch vertical plate 3 of centring roll
8 level of hydraulic jack is put；Two sides horizontal fixed plate 4 is finally weldingly fixed on 2 He of jack stand fixed plate again
The anti-3 top two sides of displacement semi arch vertical plate of centring roll form a cuboid installation space；
The various pieces of structural member base device all use steel plate to make, the weld strength of steel plate thickness and each part
Want to sustain hydraulic jack 8 in the outer top intensity of ejection centring roll fixed pin shaft 72.
Make hydraulic jack device
Adjusting screw rod 11 is mounted on 10 4 jiaos of steel substrate formation, four supporting legs, the table on steel substrate 10 by nut
Semi arch connecting plate 9 is welded and fixed in face, then again the horizontal positioned system of hydraulic jack 8 in semi arch connecting plate 9；
Hydraulic jack device and structural member base device, which are applied in combination, which can complete centring roll part, splits, speed car
The method for splitting of centring roll part on milling train is taken turns, steps are as follows:
Firstly, placing structure part base device at the scene, is hung 7 level of centring roll using minitype travelling crane and is vacantly tightly attached to
Anti- 3 inside of displacement semi arch vertical plate of centring roll, guarantees that centring roll fixed pin shaft 72 is in the anti-displacement semi arch vertical plate 3 of centring roll
The heart is ejected convenient for centring roll fixed pin shaft 72 by hydraulic jack 8；
Then hydraulic jack device handling is mounted in the jack stand fixed plate 2 of structural member base device
8 pedestal of hydraulic jack and 2 level of jack stand fixed plate are adjacent to by side, and hydraulic jack 8 plunger in other end is right
Then quasi- centring roll fixed pin shaft 72 tightens nut secured adjusted screw rod 11.
Since the diameter of plunger of hydraulic jack 8 is less than 72 diameter of centring roll fixed pin shaft, plungers length is greater than centring roll
72 length of fixed pin shaft, therefore last starting hydraulic jack device passes through hydraulic jacking ram centring roll fixed pin shaft 72
It ejects and splits from bearing hole, finally take out hollow home roll 73, and this split process will not destroy centring roll door shape cabinet 71.
The detachment device and method for splitting of centring roll part on a kind of high-speed wheel milling train of the invention are met quickly more
Centring roll steel rolling process requirement on wheel change milling train, and produced for rationally group and provide guarantee.
Claims (5)
1. the detachment device of centring roll part on a kind of high-speed wheel milling train, characterized in that the detachment device is by structural member
Base device and hydraulic jack device composition,
The structural member base device includes rectangle steel substrate (1), and plate upper surface elongatedness direction front-rear position is solid
Surely there are two pieces of steel vertical plates, described one piece of steel vertical plate is jack stand fixed plate (2), and another piece anti-for centring roll
It is displaced semi arch vertical plate (3)；The steel vertical plate two sides are symmetrically fixed with two sides horizontal fixed plate (4), and the steel is vertical
Plate and two sides horizontal fixed plate (4) form a cuboid installation space on rectangle steel substrate (1) jointly；The centering
Roller (7) and hydraulic jack device are placed sequentially in the anti-displacement semi arch vertical plate (3) of centring roll and fix with jack stand
Between plate (2), described hydraulic jack device one end is directed at centring roll close to jack stand fixed plate (2), the other end
Fixed pin shaft (72).
2. the detachment device of centring roll part on a kind of high-speed wheel milling train according to claim 1, characterized in that described
Jack stand fixed plate (2) back side be provided with gusseted plate (5), the anti-displacement semi arch vertical plate of the centring roll
(3) back side is provided with L shape support plate (6).
3. the detachment device of centring roll part on a kind of high-speed wheel milling train according to claim 1, characterized in that described
Hydraulic jack device be made of hydraulic jack (8), semi arch connecting plate (9), bottom plate (10) and adjusting screw rod (11), institute
Bottom plate (10) quadrangle stated is fixed with adjusting screw rod (11) by nut, and bottom plate (10) upper surface is fixed with semi arch connecting plate
(9), the hydraulic jack (8) is lain in a horizontal plane on semi arch connecting plate (9), and the hydraulic jack device is placed on
On rectangle steel substrate (1), the hydraulic jack (8) pedestal is bonded jack stand fixed plate (2), plunger end
Towards centring roll fixed pin shaft (72).
4. the detachment device of centring roll part on a kind of high-speed wheel milling train according to claim 3, characterized in that described
Hydraulic jack (8) diameter of plunger be less than centring roll fixed pin shaft (72) diameter, plungers length be greater than centring roll fixed pin
Axis (72) length.
5. the method for splitting of centring roll part on a kind of high-speed wheel milling train according to claim 1-4, special
Sign is that steps are as follows:
Firstly, placing structure part base device at the scene, centring roll (7) level, which is hung, using minitype travelling crane is vacantly tightly attached to pair
On the inside of the anti-displacement semi arch vertical plate (3) of central roll, guarantee that centring roll fixed pin shaft (72) are in the anti-displacement semi arch vertical plate of centring roll
(3) center is ejected convenient for centring roll fixed pin shaft (72) by hydraulic jack (8)；
Then hydraulic jack device handling is mounted in the jack stand fixed plate (2) of structural member base device
Hydraulic jack (8) pedestal and jack stand fixed plate (2) level are adjacent to, other end hydraulic jacking ram by side
Centring roll fixed pin shaft (72) are directed at, nut secured adjusted screw rod (11) is then tightened.
Finally starting hydraulic jack device is by hydraulic jack (8) plunger handle centring roll fixed pin shaft (72) from bearing hole
Ejection is split, and finally takes out hollow home roll (73), and this split process will not destroy centring roll door shape cabinet (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910859028.3A CN110509222A (en) | 2019-09-11 | 2019-09-11 | The detachment device and method for splitting of centring roll part on a kind of high-speed wheel milling train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910859028.3A CN110509222A (en) | 2019-09-11 | 2019-09-11 | The detachment device and method for splitting of centring roll part on a kind of high-speed wheel milling train |
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| Publication Number | Publication Date |
|---|---|
| CN110509222A true CN110509222A (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910859028.3A Pending CN110509222A (en) | 2019-09-11 | 2019-09-11 | The detachment device and method for splitting of centring roll part on a kind of high-speed wheel milling train |
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| CN (1) | CN110509222A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2314279A1 (en) * | 1999-07-29 | 2001-01-29 | Armando S. Martins | Hydraulically actuated tool for mounting and dismounting rolling mill roll neck bearings |
| CN201677286U (en) * | 2010-02-08 | 2010-12-22 | 潍坊汇胜绝缘技术有限公司 | Guide roller gourd tile dismounting device for paper machine |
| CN202893823U (en) * | 2012-10-19 | 2013-04-24 | 广东韶钢松山股份有限公司 | Dismounting device for multiple types of rollers |
| CN203509511U (en) * | 2013-09-10 | 2014-04-02 | 安徽恒源煤电股份有限公司 | Device for demounting large coupler |
| CN103753185A (en) * | 2013-12-20 | 2014-04-30 | 鞍钢股份有限公司 | Roller dismounting device |
| CN204397307U (en) * | 2015-01-15 | 2015-06-17 | 唐山钢铁集团有限责任公司 | Roller detaching device for coupling |
| CN204449810U (en) * | 2014-12-01 | 2015-07-08 | 江苏永钢集团有限公司 | Filmatic bearing detaching device in a kind of high line roll-box |
| CN208451508U (en) * | 2018-06-13 | 2019-02-01 | 国电建投内蒙古能源有限公司 | A kind of roller carrier shaft extraction device |
| CN210524961U (en) * | 2019-09-11 | 2020-05-15 | 安徽马钢设备检修有限公司 | Splitting device for centering roller parts on high-speed wheel rolling mill |
-
2019
- 2019-09-11 CN CN201910859028.3A patent/CN110509222A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2314279A1 (en) * | 1999-07-29 | 2001-01-29 | Armando S. Martins | Hydraulically actuated tool for mounting and dismounting rolling mill roll neck bearings |
| CN201677286U (en) * | 2010-02-08 | 2010-12-22 | 潍坊汇胜绝缘技术有限公司 | Guide roller gourd tile dismounting device for paper machine |
| CN202893823U (en) * | 2012-10-19 | 2013-04-24 | 广东韶钢松山股份有限公司 | Dismounting device for multiple types of rollers |
| CN203509511U (en) * | 2013-09-10 | 2014-04-02 | 安徽恒源煤电股份有限公司 | Device for demounting large coupler |
| CN103753185A (en) * | 2013-12-20 | 2014-04-30 | 鞍钢股份有限公司 | Roller dismounting device |
| CN204449810U (en) * | 2014-12-01 | 2015-07-08 | 江苏永钢集团有限公司 | Filmatic bearing detaching device in a kind of high line roll-box |
| CN204397307U (en) * | 2015-01-15 | 2015-06-17 | 唐山钢铁集团有限责任公司 | Roller detaching device for coupling |
| CN208451508U (en) * | 2018-06-13 | 2019-02-01 | 国电建投内蒙古能源有限公司 | A kind of roller carrier shaft extraction device |
| CN210524961U (en) * | 2019-09-11 | 2020-05-15 | 安徽马钢设备检修有限公司 | Splitting device for centering roller parts on high-speed wheel rolling mill |
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Application publication date: 20191129 |